I got to put a few games on it at SXSW, have to say it was fun. The "virtual targets" on the screen are really interesting, and there are some unique rules and game modes.
Having a hurry-up that literally pops out of the playfield was cool too. Makes it pretty obvious what one needs to do.
The flippers are definitely different, but you get used to them quickly. I also believe they may have been a bit tired after a couple days of continuous use.
Jerry also mentioned that there would be practice modes, which I think could be totally awesome. Very exciting project.