This one's gimmick is that it includes a "GPU boost" which is kinda cool - I think the problem with most handsets is that there's no real GPU power behind them- but if it's just a mild overclock, meh.
It's price is also very low, considering it's decently spec'd hardware.
We're gonna have to do a super-thread on gaming phones soon cause there's gonna be an influx of them. Unfortunately they all seem to be mostly the same- one little gimmick to set them apart, no hardware buttons. Whoever can produce the next Xperia Play with a high end SOC will probably see me buy 2-3 of them, and I'm sure other members here would jump on that as well. Just keep hoping!