The guy in charge talked about in the video showing smart i think.
I would like to see punches, varied gun butt animations and maybe a grab move or a push. 12 year old operative standing on the roof of a building. Press button to give them a push and down he goes

Wait... You mean no "Darth Vader throwing the emperor over the edge" kind of thing?... It would've been more epic!
Seriously: I don't know about melee stuns.. I used to be a frequent player of Gears of War 2, and all people do is melee, because it has like a 90 degree radius, stuns people, auto locks your weapon, and half-way kills them... But maybe I'm just traumatized. As long as the melee thing isn't too powerful, so thats ALL people do when they get close enough to, then I'll be happy.