I like it. I'm not a big fan of the mould itself, because he doesn't actually have forearms, but that can hardly be held against you (actually, someone over at Liveoor has given him forearms, but I bet they think of it as Frenzy
).
I like the look of malicious glee on his face; he's clearly a mech who's enjoying his job, and the piledrivers really look like they're giving it some, too. The only thing I'm not sure about if the stance itself. I can't help thinking that with the vibratory force he's exerting, he'd go off-balance pretty quickly with his feet as close together (and possibly as far forward) as they appear; I think he'd have been better off planting himself more firmly.
But on the whole, yeah, love it.