I usually never bother with this kind of stuff, but consider
Signing this petition:
http://www.petitiononline.com/mod_perl/signed.cgi?GHIIDLC
(over 800 signatures and growing fast)
and Digging this:
http://digg.com/gaming_news/Guitar_Hero_1_will_cost_you_97_76_at_this_rate_on_the_Xbox_360...
I finally broke down and bought it the $90 bundle.
I wonder how they will handle downloadable content. It's great that they'll have it right when the game comes out.
Too bad about the wired controller.