Try LucrorFx, New Zealand regulated, they accept US clients. And they are not a scam… 
Never heard of them.
I am currently trialing a forex.com demo account, seems to work really well. Not sure if theyer platform uses MT4. I have just opened a demo account with Oanda also, i love that they have an ipad and iphone app also. But they dont use MT4 i have heard alot about this MT4 so i may open another demo account with alpari
Oanda & Alpari keep coming up in the “best broker” topics. so maybe look into these…
How is Oanda a good broker? I’m not a fan at all.
Alpari is much better. As is fxopen and fxcm.