Over at his blog, John Scalzi has released the 2011 Hugo Nominees:

Best Novel:
Blackout/All Clear by Connie Willis (Ballantine Spectra)
Cryoburn by Lois McMaster Bujold (Baen)
The Dervish House by Ian McDonald (Gollancz; Pyr)
Feed by Mira Grant (Orbit)
The Hundred Thousand Kingdoms by N.K. Jemisin (Orbit)