I had a dispute with www.xcoinbroker.com and went to their complaints process. They have an internal team that just defends the company. Then they said I could go to an ombudsman - but the ombudsman they use is industry-funded and rarely rules for the client. The system is rigged.
Pros: Easy withdrawals|Responsive team|Demo account available
Cons: Wish they had more educational resources|Minor UI glitches occasionally