Follow a link to a video interview. http://www.engadget.com/2011/04/01/full-on-electric-drum-kit-shoved-within-a-pair-of-jeans-subway/
Yeah, im sure with time and some funding that he said he was getting, it will be pretty good. I also think you could prob use that technology in other applications beside pants lol.
Guaranteed that would be an expensive pair of pants. Like SamHamwich said, he should put that technology to better use. Pants just don't cut it, I don't see very many people purchasing them.