[Gamma_Jammer]

I have to say, if I had to make this choice right now, what I would do is pick a decent bank, agree a set of spreads (size dependant if necessary) and trade almost entirely over the phone. If you're dealing in decent size you should get good customer service, and if you show them some limit orders from time to time and generally get to know them a bit they'll (if they're any good) look after your stops and try and keep you in.

Plus, as USA25 has correctly stated, you will get flow information that can be valuable (even if you can't always put an exact figure on how much it's worth).

Generally, the better you treat people the better you get treated in forex. It is, and always has been, very much a relationship game. And this is despite the increasing commoditisation of pricing and disintermediation of counterparties.

My $0.02

Good luck

GJ