Starting to get too many extra keys from all of the bundle purchases over the past few years and was hoping to trade some for games which I didn't have.

Have

Steam Keys
Avadon: The Black Fortress
Avencast: Rise of the Mage
Chains
Chrome Specforce
Cogs
Cortex Command
Crayon Physics Deluxe (x2)
Grotesque Tactics 2: Dungeons and Donuts
Humble Indie Bundle #2 (Braid, Osmos, Machinarium and Revenge of the Titans)
Humble Indie Bundle #3 (And Yet It Moves, Cogs, Crayon Physics Deluxe, Hammerfight, VVVVVV)
Nightsky
Scratches
Splice
Superbrothers: Sword and Sworcery EP
Trauma
Zen Bound 2

Desura Keys
Adventure Apes
Back to the Future: The Game
Darkout
Draconian Wars
Dungeons of Dredmor
Ensign-1
Gimbal
Gravi
Grimind
Holy Avatar vs. Maidens of the Dead
Humble Frozen Synapse Bundle
Humble Frozenbyte Bundle
Humble Indie Bundle #2 (x2)
Humble Indie Bundle #3
Humble Introversion Bundle
HyperSonic 4
Ichi
International Snooker
Kill Fun Yeah
Little Racers STREET
Micron
Omegalodon
Pid
Pushcat
Reversion
Serious Sam: Kamikaze Attack!
The Sea Will Claim Everything

Origin Keys
Mass Effect 2

Want

Steam Games I'm Most Interested In (by no means a complete list, just went through http://www.steamgifts.com/bundles/list)
Alien Breed 2: Assault
Alien Breed 3: Descent
Darksiders II
Fieldrunners
FlatOut
Fortix 2
Hacker Evolution Duality
Hacker Evolution: Untold
HOARD Complete Pack
Oddworld: Abe's Exoddus
Oddworld: Abe's Oddysee
Oddworld: Stranger's Wrath HD
Sam & Max: The Devils Playhouse
Worms Reloaded

I was pretty disappointed when I discovered the bazillion other indie bundle sites recently, previously I had mostly stuck to Humble Bundle. :P

All keys are unused from various bundles and I'll trade for just about any Steam game I don't already have.

A list of all games I currently own is available at: http://steamcommunity.com/id/raing3/games/?tab=all&sort=name#0|all