i am using FXOpen.
apart from occasional requotes, there is no problem really for me.
they have an alive forum, always got answer within 24 hours from their support, or has a live chat normal times.
For me a big advantage that they allow scalping, unline most brokers.
Also using MT4 platform, what i prefer. They support also EA trading. Offer bonus like most broker for funding account.
Spreads are low enough, 2 pips EURUSD, 3 pips GBPUSD, and spreads are most times fixed, even around news times, however orders might be delayed a bit then.
(If someone need an introducer let me know, i can offer a 0.6 pips rebate
)