Can you guys recommend a Forex Broker ?

1) Deutsche Bank
2) UBS
3) Barclays
4) Citi
5) RBS

and of course the apropriate platform is :

http://www.icap.com/markets/foreign-exchange.aspx

And here are monthly volume data :

http://www.icap.com/investor-relations/monthly-volume-data.aspx

Enjoy...