Went to a friends house today and played 5 hours straight. Dare I say goty?
My only problem right now is doing Ultras because the 360 pad is not good with fighters at all.
I'm surprised I've managed to play perfectly with the 360 d-pad. For some reason it's pretty comfortable for it, and it's the triggers/bumpers on the pad that throw me off.
My main is Cammy and honestly, she's one of the few characters I feel comfortable as hell playing with. I'm not big on Chun-Li now that I'm not relegated to arcade play.
Cammy, Sakura, Ryu/Ken, C. Viper, Abel are easily the characters I have the most fun with. Blanka's fun to use too. Despite being "nerfed" I can still get a lot of mileage out of Cammy. Also, her alternate costume is

Right now though, my biggest hurdle next to ultras are counter-throws. I'm having trouble pulling them off, especially against people like Abel, Gief, and El Fuerte.