Looks pretty legit, though I can't say I like the gunthing still being his right arm. That thing just doesn't look good. =/

Agreed with Wafwafs about the orange distribution.

What I'd be looking for on the legs would be something a lot more fly-looking than what we have now. You may get away with the B10 limb, but the Vahki leg doesn't work. I'm thinking something in the ways of fusion might do the trick down there. Meddle around and see what you can come up with.

Gun arm. Get rid.

Seriously, a weapon made for mini-Stringer doesn't cut it on this guy.