Judging by that video, the gameplay is going to be at least better then RAW & RAW 2, simply because...ya know...they're not constantly constipated when they move.
Also, I'm willing to believe that you might just be able to customize moves in other moves: the moonsault into reverse DDT, I think, is something you can change in mid air. I'd hope so, anyway, because that'd be ultimo cool.
Oh, and I still want to see how they work KOTM & Six Sides of Steel. I'm also willing to guess that the Hardcore match will just be called the Monsters Ball, because MB is a trademark TNA match too when ya think about it. I'dve loved the Clockwork House of Fun too...