diff --git a/cmd/console/js.go b/cmd/console/js.go
index 4229a95a253e5105959dcd5419ed650040871f2c..76695cabdceacfeac7ff49c703d8bcd1c3507341 100644
--- a/cmd/console/js.go
+++ b/cmd/console/js.go
@@ -32,12 +32,12 @@ import (
 	"github.com/ethereum/go-ethereum/common/docserver"
 	re "github.com/ethereum/go-ethereum/jsre"
 	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/rpc/api"
 	"github.com/ethereum/go-ethereum/rpc/codec"
 	"github.com/ethereum/go-ethereum/rpc/comms"
 	"github.com/ethereum/go-ethereum/rpc/shared"
 	"github.com/peterh/liner"
 	"github.com/robertkrimen/otto"
-	"github.com/ethereum/go-ethereum/rpc/api"
 )
 
 type prompter interface {
@@ -235,6 +235,7 @@ func (self *jsre) suportedApis(ipcpath string) ([]string, error) {
 // show summary of current geth instance
 func (self *jsre) welcome(ipcpath string) {
 	self.re.Eval(`console.log('instance: ' + web3.version.client);`)
+	self.re.Eval(`console.log(' datadir: ' + admin.datadir);`)
 	self.re.Eval(`console.log("coinbase: " + eth.coinbase);`)
 	self.re.Eval(`var lastBlockTimestamp = 1000 * eth.getBlock(eth.blockNumber).timestamp`)
 	self.re.Eval(`console.log("at block: " + eth.blockNumber + " (" + new Date(lastBlockTimestamp).toLocaleDateString()
diff --git a/rpc/api/admin.go b/rpc/api/admin.go
index c3746360495cd6f969865b3e4b28c485fd585e91..6b89942b2ace2ab12e3d02c24bdbc89eb5f96e65 100644
--- a/rpc/api/admin.go
+++ b/rpc/api/admin.go
@@ -25,14 +25,15 @@ var (
 	AdminMapping = map[string]adminhandler{
 		//		"admin_startRPC": (*adminApi).StartRPC,
 		//		"admin_stopRPC":  (*adminApi).StopRPC,
-		"admin_addPeer":     (*adminApi).AddPeer,
-		"admin_peers":       (*adminApi).Peers,
-		"admin_nodeInfo":    (*adminApi).NodeInfo,
-		"admin_exportChain": (*adminApi).ExportChain,
-		"admin_importChain": (*adminApi).ImportChain,
-		"admin_verbosity":   (*adminApi).Verbosity,
-		"admin_syncStatus":  (*adminApi).SyncStatus,
-		"admin_setSolc":     (*adminApi).SetSolc,
+		"admin_addPeer":         (*adminApi).AddPeer,
+		"admin_peers":           (*adminApi).Peers,
+		"admin_nodeInfo":        (*adminApi).NodeInfo,
+		"admin_exportChain":     (*adminApi).ExportChain,
+		"admin_importChain":     (*adminApi).ImportChain,
+		"admin_verbosity":       (*adminApi).Verbosity,
+		"admin_chainSyncStatus": (*adminApi).ChainSyncStatus,
+		"admin_setSolc":         (*adminApi).SetSolc,
+		"admin_datadir":         (*adminApi).DataDir,
 	}
 )
 
@@ -129,6 +130,10 @@ func (self *adminApi) NodeInfo(req *shared.Request) (interface{}, error) {
 	return self.ethereum.NodeInfo(), nil
 }
 
+func (self *adminApi) DataDir(req *shared.Request) (interface{}, error) {
+	return self.ethereum.DataDir, nil
+}
+
 func hasAllBlocks(chain *core.ChainManager, bs []*types.Block) bool {
 	for _, b := range bs {
 		if !chain.HasBlock(b.Hash()) {
@@ -209,9 +214,9 @@ func (self *adminApi) Verbosity(req *shared.Request) (interface{}, error) {
 	return true, nil
 }
 
-func (self *adminApi) SyncStatus(req *shared.Request) (interface{}, error) {
+func (self *adminApi) ChainSyncStatus(req *shared.Request) (interface{}, error) {
 	pending, cached := self.ethereum.Downloader().Stats()
-	return map[string]interface{}{"available": pending, "waitingForImport": cached}, nil
+	return map[string]interface{}{"blocksAvailable": pending, "blocksWaitingForImport": cached}, nil
 }
 
 func (self *adminApi) SetSolc(req *shared.Request) (interface{}, error) {
diff --git a/rpc/api/admin_args.go b/rpc/api/admin_args.go
index 9c0cbdcb6c974e53f12864aea17a66033b170b5a..56bb57e201393a0f684a0545b0dc81a21e80003a 100644
--- a/rpc/api/admin_args.go
+++ b/rpc/api/admin_args.go
@@ -3,8 +3,6 @@ package api
 import (
 	"encoding/json"
 
-	"math/big"
-
 	"github.com/ethereum/go-ethereum/rpc/shared"
 )
 
@@ -68,16 +66,8 @@ func (args *VerbosityArgs) UnmarshalJSON(b []byte) (err error) {
 		return shared.NewDecodeParamError("Expected enode as argument")
 	}
 
-	if levelint, ok := obj[0].(int); ok {
-		args.Level = levelint
-	} else if levelstr, ok := obj[0].(string); ok {
-		if !ok {
-			return shared.NewInvalidTypeError("level", "not a string")
-		}
-		level, success := new(big.Int).SetString(levelstr, 0)
-		if !success {
-			return shared.NewDecodeParamError("Unable to parse verbosity level")
-		}
+	level, err := numString(obj[0])
+	if err == nil {
 		args.Level = int(level.Int64())
 	}
 
diff --git a/rpc/api/admin_js.go b/rpc/api/admin_js.go
index 6255a6c7b99aaacf7328b84543dd75a9e54eae75..c3e713c67d5f25d34233c2f53cc702c6ce43e850 100644
--- a/rpc/api/admin_js.go
+++ b/rpc/api/admin_js.go
@@ -12,13 +12,6 @@ web3._extend({
 			inputFormatter: [web3._extend.utils.formatInputString],
 			outputFormatter: web3._extend.formatters.formatOutputBool
 		}),
-		new web3._extend.Method({
-			name: 'peers',
-			call: 'admin_peers',
-			params: 0,
-			inputFormatter: [],
-			outputFormatter: function(obj) { return obj; }
-		}),
 		new web3._extend.Method({
 			name: 'exportChain',
 			call: 'admin_exportChain',
@@ -40,13 +33,6 @@ web3._extend({
 			inputFormatter: [web3._extend.utils.formatInputInt],
 			outputFormatter: web3._extend.formatters.formatOutputBool
 		}),
-		new web3._extend.Method({
-			name: 'syncStatus',
-			call: 'admin_syncStatus',
-			params: 1,
-			inputFormatter: [web3._extend.utils.formatInputInt],
-			outputFormatter: function(obj) { return obj; }
-		}),
 		new web3._extend.Method({
 			name: 'setSolc',
 			call: 'admin_setSolc',
@@ -61,6 +47,21 @@ web3._extend({
 			name: 'nodeInfo',
 			getter: 'admin_nodeInfo',
 			outputFormatter: web3._extend.formatters.formatOutputString
+		}),
+		new web3._extend.Property({
+			name: 'peers',
+			getter: 'admin_peers',
+			outputFormatter: function(obj) { return obj; }
+		}),
+		new web3._extend.Property({
+			name: 'datadir',
+			getter: 'admin_datadir',
+			outputFormatter: web3._extend.formatters.formatOutputString
+		}),
+		new web3._extend.Property({
+			name: 'chainSyncStatus',
+			getter: 'admin_chainSyncStatus',
+			outputFormatter: function(obj) { return obj; }
 		})
 	]
 });
diff --git a/rpc/api/miner_args.go b/rpc/api/miner_args.go
index 6b3d16d4831d3e454ba47a2b574349b789a2cf75..7b0560c1637c131c4eec3f30ec3739aa2d1b8876 100644
--- a/rpc/api/miner_args.go
+++ b/rpc/api/miner_args.go
@@ -41,6 +41,10 @@ func (args *SetExtraArgs) UnmarshalJSON(b []byte) (err error) {
 		return shared.NewDecodeParamError(err.Error())
 	}
 
+	if len(obj) < 1 {
+		return shared.NewInsufficientParamsError(len(obj), 1)
+	}
+
 	extrastr, ok := obj[0].(string)
 	if !ok {
 		return shared.NewInvalidTypeError("Price", "not a string")
@@ -60,13 +64,16 @@ func (args *GasPriceArgs) UnmarshalJSON(b []byte) (err error) {
 		return shared.NewDecodeParamError(err.Error())
 	}
 
-	pricestr, ok := obj[0].(string)
-	if !ok {
-		return shared.NewInvalidTypeError("Price", "not a string")
+	if len(obj) < 1 {
+		return shared.NewInsufficientParamsError(len(obj), 1)
 	}
-	args.Price = pricestr
 
-	return nil
+	if pricestr, ok := obj[0].(string); ok {
+		args.Price = pricestr
+		return nil
+	}
+
+	return shared.NewInvalidTypeError("Price", "not a string")
 }
 
 type MakeDAGArgs struct {
diff --git a/rpc/api/miner_js.go b/rpc/api/miner_js.go
index bcf92f6a7c9ce5ee534f595b72837f24bfed2873..6290368da3af75fabda3de4b52824621c4ee9f1d 100644
--- a/rpc/api/miner_js.go
+++ b/rpc/api/miner_js.go
@@ -19,13 +19,6 @@ web3._extend({
 			inputFormatter: [web3._extend.formatters.formatInputInt],
 			outputFormatter: web3._extend.formatters.formatOutputBool
 		}),
-		new web3._extend.Method({
-			name: 'getHashrate',
-			call: 'miner_hashrate',
-			params: 0,
-			inputFormatter: [],
-			outputFormatter: web3._extend.utils.toDecimal
-		}),
 		new web3._extend.Method({
 			name: 'setExtra',
 			call: 'miner_setExtra',
diff --git a/rpc/api/net.go b/rpc/api/net.go
index efc4007850fb71156d5c9e37bb58da80adf4583a..6f5d55f12f16536ec74a1c5407b49d8cdbcb898f 100644
--- a/rpc/api/net.go
+++ b/rpc/api/net.go
@@ -10,7 +10,7 @@ import (
 var (
 	// mapping between methods and handlers
 	netMapping = map[string]nethandler{
-		"net_id":        (*netApi).NetworkVersion,
+		"net_version":   (*netApi).Version,
 		"net_peerCount": (*netApi).PeerCount,
 		"net_listening": (*netApi).IsListening,
 		"net_peers":     (*netApi).Peers,
@@ -63,7 +63,7 @@ func (self *netApi) Name() string {
 }
 
 // Network version
-func (self *netApi) NetworkVersion(req *shared.Request) (interface{}, error) {
+func (self *netApi) Version(req *shared.Request) (interface{}, error) {
 	return self.xeth.NetworkVersion(), nil
 }
 
diff --git a/rpc/api/net_js.go b/rpc/api/net_js.go
index 75f6c89f311e5f3db7d27cab3b8c66fc0e7556a4..1677d9fa6454fd970c447c653eb98a6b126331b5 100644
--- a/rpc/api/net_js.go
+++ b/rpc/api/net_js.go
@@ -12,26 +12,12 @@ web3._extend({
 			inputFormatter: [web3._extend.utils.formatInputString],
 			outputFormatter: web3._extend.formatters.formatOutputBool
 		}),
-		new web3._extend.Method({
-			name: 'id',
-			call: 'net_id',
-			params: 0,
-			inputFormatter: [],
-			outputFormatter: web3._extend.formatters.formatOutputString
-		}),
 		new web3._extend.Method({
 			name: 'getPeerCount',
 			call: 'net_peerCount',
 			params: 0,
 			inputFormatter: [],
 			outputFormatter: web3._extend.formatters.formatOutputString
-		}),
-		new web3._extend.Method({
-			name: 'peers',
-			call: 'net_peers',
-			params: 0,
-			inputFormatter: [],
-			outputFormatter: function(obj) { return obj; }
 		})
 	],
 	properties:
@@ -45,6 +31,16 @@ web3._extend({
 			name: 'peerCount',
 			getter: 'net_peerCount',
 			outputFormatter: web3._extend.utils.toDecimal
+		}),
+		new web3._extend.Property({
+			name: 'peers',
+			getter: 'net_peers',
+			outputFormatter: function(obj) { return obj; }
+		}),
+		new web3._extend.Property({
+			name: 'version',
+			getter: 'net_version',
+			outputFormatter: web3._extend.formatters.formatOutputString
 		})
 	]
 });
diff --git a/rpc/api/personal_args.go b/rpc/api/personal_args.go
index b41fc06e79d2a12915834cc5de7d31bbbecdee59..b3e683638a062a98a85c50767ec28868c1046769 100644
--- a/rpc/api/personal_args.go
+++ b/rpc/api/personal_args.go
@@ -16,13 +16,16 @@ func (args *NewAccountArgs) UnmarshalJSON(b []byte) (err error) {
 		return shared.NewDecodeParamError(err.Error())
 	}
 
-	passhrase, ok := obj[0].(string)
-	if !ok {
-		return shared.NewInvalidTypeError("passhrase", "not a string")
+	if len(obj) < 1 {
+		return shared.NewInsufficientParamsError(len(obj), 1)
 	}
-	args.Passphrase = passhrase
 
-	return nil
+	if passhrase, ok := obj[0].(string); ok {
+		args.Passphrase = passhrase
+		return nil
+	}
+
+	return shared.NewInvalidTypeError("passhrase", "not a string")
 }
 
 type DeleteAccountArgs struct {
@@ -36,17 +39,21 @@ func (args *DeleteAccountArgs) UnmarshalJSON(b []byte) (err error) {
 		return shared.NewDecodeParamError(err.Error())
 	}
 
-	addr, ok := obj[0].(string)
-	if !ok {
+	if len(obj) < 2 {
+		return shared.NewInsufficientParamsError(len(obj), 2)
+	}
+
+	if addr, ok := obj[0].(string); ok {
+		args.Address = addr
+	} else {
 		return shared.NewInvalidTypeError("address", "not a string")
 	}
-	args.Address = addr
 
-	passhrase, ok := obj[1].(string)
-	if !ok {
+	if passhrase, ok := obj[1].(string); ok {
+		args.Passphrase = passhrase
+	} else {
 		return shared.NewInvalidTypeError("passhrase", "not a string")
 	}
-	args.Passphrase = passhrase
 
 	return nil
 }
@@ -65,17 +72,21 @@ func (args *UnlockAccountArgs) UnmarshalJSON(b []byte) (err error) {
 
 	args.Duration = -1
 
-	addrstr, ok := obj[0].(string)
-	if !ok {
+	if len(obj) < 2 {
+		return shared.NewInsufficientParamsError(len(obj), 2)
+	}
+
+	if addrstr, ok := obj[0].(string); ok {
+		args.Address = addrstr
+	} else {
 		return shared.NewInvalidTypeError("address", "not a string")
 	}
-	args.Address = addrstr
 
-	passphrasestr, ok := obj[1].(string)
-	if !ok {
+	if passphrasestr, ok := obj[1].(string); ok {
+		args.Passphrase = passphrasestr
+	} else {
 		return shared.NewInvalidTypeError("passphrase", "not a string")
 	}
-	args.Passphrase = passphrasestr
 
 	return nil
 }
diff --git a/rpc/api/personal_js.go b/rpc/api/personal_js.go
index f9fa60e78a7a1f9f9b8f8cd0933970cbfd691815..ddd47f6a4e68fb8d374b215c775bd3648af6e27f 100644
--- a/rpc/api/personal_js.go
+++ b/rpc/api/personal_js.go
@@ -5,13 +5,6 @@ web3._extend({
 	property: 'personal',
 	methods:
 	[
-		new web3._extend.Method({
-			name: 'listAccounts',
-			call: 'personal_listAccounts',
-			params: 0,
-			inputFormatter: [],
-			outputFormatter: function(obj) { return obj; }
-		}),
 		new web3._extend.Method({
 			name: 'newAccount',
 			call: 'personal_newAccount',
@@ -29,6 +22,11 @@ web3._extend({
 	],
 	properties:
 	[
+		new web3._extend.Property({
+			name: 'accounts',
+			getter: 'personal_listAccounts',
+			outputFormatter: function(obj) { return obj; }
+		})
 	]
 });
 `