http://www.metacritic.com/music/upcomingreleases.shtml
For 2007:
Out now: Of Montreal, The Shins, Clap Your Hands Say Yeah, Skinny Puppy
Feb: Bloc Party, Yoko Ono (funny title - Yes I'm A Witch)
Mar: Arcade Fire, Guns 'n' Roses, The Fall, Modest Mouse
Apr: Partridge-Andrews-Barker Project, Bright Eyes, Robert Pollard
May: Dinosaur Jr., Wilco
TBA: Arctic Monkeys, Avalanches, B-52s, Babyshambles, Bad Brains, Beastie Boys, Blur, Breeders, Built to Spill, Cure, Dexy's Midnight Runners (1st in 22 years), Doves, Interpol, Iron & Wine, Islands, James, Metric, MIA, Bob Mould, New Pornographers, Oasis, Pixies, Radiohead, REM, Roxy Music (original line-up), Rush, Sigur Ros, Smashing Pumpkins, Super Furry Animals, Tegan & Sara, U2, Ween, Wrens