http://realtimebitcointrading.com/
A better trading experience starts here. Combining the features you’ve come to expect from a real time Bitcoin market data site with an all-new charting package, the RTBTC trading platform is your gateway to the Bitcoin exchanges. RTBTC enables real time trading on the BTC-E, Mt. Gox and Bitstamp and many more exchanges through a unified trading platform interface.
Exchanges Supported
Mt. Gox
BTC-E
Bitstamp
BTCCina
Coinbase
Crypto-Trade
Cryptsy
Vircurex
Bter
http://realtimebitcointrading.com/
