In the battalion of boxes that encases Rock Band's high quality gear there is but one guitar. Since you can't buy the instruments separately yet and Guitar Hero III's guitar won't work w/ RB on the PS3, your band is effectively bass player-less. Harmonix to the rescue: The upcoming patch for PS3's RB includes "a number of items related to guitar controller compatibility." Translated from PR-speak, it looks like they're adding support for GHIII's Les Paul geetars. Rock on. [Rock Band Forums via Kotaku]
How about making the PS3 GH3 controller compatable with PS2 GH2 and GH? I was rather pissed when I found out my fancy new PS3 wouldn't be able to play GH2. Don't bother mentioning the RS or Pelican adapters, I've tried them and they suck for the GH2 controller.
And can we also cram a few more acronyms in? Comments are becoming too intelligible!