Or in this case, since he's using it to trigger samples, this is essentially an MPC2000 performance with all 64 samples available without bank switching and less performance control (assuming that thing is using arcade buttons and has no velocity or aftertouch).
I've been a Shawn Wasabi fan for a while now. He's good, but He really isn't doing anything that lots of other people haven't done. I just happen to like his style.