The Xbox 360 version is just over $40. Seems like a decent deal if you're looking for a second guitar. I may bite. I could probably get a little bit back for the game on ebay since I already have it.
[quote name='CheapyD']Aerosmith Wii Bundle is $37 Guitar Hero Aerosmith Bundle[/quote]
I think I'll go with this one. I've played the shit outta GH III and my Rockband guitar is used and abused