I play on the Xbox 360, and my Gamertag is Spot2004. I can play on expert (on all instruments, however I prefer using Guitar). I don't have an accomplishments thread.

I own these games:
Guitar Hero II⇒
Guitar Hero III⇒
Guitar Hero: Aerosmith⇒
Rock Band⇒
Rock Band 2⇒
Rock Band: AC/DC Live Track Pack
Guitar Hero: World Tour⇒

Soon to own:
Guitar Hero: Metallica