I don't wanna derail this any more than it already has, but Richter's SotN sprite IS his RoB sprite with more moves. Hanz's one sprite is obviously based on Richter's RoB sprite. Ergo, Hanz's possible expanded sprite with unconfirmed new moves are Richter's anyway.
On topic: if any of you guys have yet to try out the demo of the original hack Esco did, you should definitely give it a go since it will give you a great idea of what to expect. And a reduced move set in stage 0 seems like a good idea as long as he gets everything back during his story (I had totally forgotten about the reduced move set BTW). That way you get a more retro feel during the flashback stage and still get the full move set later.