I know I'm probably alone in this, but I want them to release the rest of that Grateful Dead stuff they have available.  They should, however, release a few tracks as combined tracks to showcase the way the dead would meld one song in to anohter, like "Scarlet Begonias -> Fire on the Mountain" or "Chine Cat Sunflower -> I Know You Rider"

Honestly, I'd like to see some Phish in the game, but it seems like the jam band stuff isn't very popular.

If I were going to pick a record that I think people could get in to and would do well in Rock Band, it would be The Prewsidents of the United States of America's debut album.

Refused - new noise, or anything else with them. Would love those drums.