What would be a good buy in this category? I've been looking at the Alesis QS series, which seems to do everything but acoustic pianos well (judging by the reviews I've read). How about the Roland XP30 (usually a bit more expensive but not too much more so)? Do Korg or Yamaha have any products like what I'm looking for? I'd mainly be using this for recording and maybe occasionally for doubling in gigs (a la Tina Weymouth of Talking Heads or Eric Axelson of the Dismemberment Plan), for more textures. Should I just get a decent 61-key MIDI controller and a rack? I don't have a laptop so a softsynth wouldn't be an option for performance.