I've only been reading Steampunk for a couple of months, but I've got through quite a few already. I'm loving this genre and thought I'd share my list so far (I'm always looking for more to add)
Read in 2011
Soulless, Blameless, Changeless (The Parasol Protectorate) - Gail Carriger
The Iron Duke - Meljean Brook
Incarceron - Catherine Fisher
Clockwork Angel (The Infernal Devices) - Cassandra Clare
Steam & Sorcery, Photographs & Phantoms - Cindy Spencer-Pape
Like Clockwork - Bonnie Dee
Badlands - Seleste deLaney
To Read and/or Coming Soon
Heartless (The Parasol Protectorate) - Gail Carriger
Leviathan, Behemoth - Scott Westerfield
Sapphique - Catherine Fisher
Clockwork Angel (The Infernal Devices) - Cassandra Clare
The Court of the Air - Stephen Hunt
Warrior (The Baldes of the Rose) - Zoe Archer
The Girl in the Steel Corset - Kady Cross
Cold Magic - Kate Elliot
The Twisted Tale of Stomry Gale - Christine Bell
Waiting for these to come to Kindle
The Strange Affair of the Spring Heeled Jack - Mark Hodder
BoneShaker - Cherie Priest
Clockwork Heart - Dru Pagliassotti
Immortal Engines - Philip Reeve