I think this will be loads of fun. I've always been interested in music games, but I'm not a rock fan, so Guitar Hero doesn't appeal, especially since they want £70 for a crappy plastic guitar. Larappa and Frequency/Amplitude look cool, but I've never had a PS of any kind. So I'm kinda hyped about this! I'm totally gonna main Funk/Hip Hop!
Only thing I would say on the IGN preview vid is couldn't they get the transitions between the two bands a bit smoother?