Have:
XBLA Games:
Banjo-Kazooie
Family Game Night: Scrabble
Puzzle Chronicles
Half Minute Hero
Backbreaker Vengeance
Toy Soldiers: Cold War
Dungeon Defenders
Daytona USA
Space Channel 5 Part 2
BloodRayne: Betrayal
DLC:
Dragon Age: Awakening
Dragon Age: Blood Dragon Armor
Borderlands: The Secret Armory Of General Knoxx
Halo Reach: Recon Helmet
DJ Hero: Tiesto Mix Pack
Vanquish: Tri-Weapon Pack
Fable III: Channeler Sword
Mortal Kombat: Online Pass
Assassin's Creed Brotherhood: Trajan Market (in-game, not sure if works)
Mass Effect 2: Cerberos Network
Rock Band 2: Export Code
Band Hero: Export Code
Street Fighter III Character Color Pack 1
Duke Nukem: Hail To The Icons pack
Batman Arkham City: Batman Beyond skin
Forza 4 Limited Collector's Edition DLC (1 code includes VIP, American Muscle, Launch Bonus, and BMW Design Challenge car packs)
Halo Reach: Halo Anniversary Map Pack
Avatar Stuff:
ESPN Jersey (M/F)
Assassin's Creed 2 Ezio Outfit (from Slurpee promo) (F)
CoD: Black Ops Flight Suit (M)
CoD: Black Ops R/C XD prop
Noble 6 Helmet
Birds & Beaks prop
Soccer Ball
Spring Tree
Halo Energy Sword
Want:
MineCraft: Xbox 360 Edition
Awesomenauts
Fable Heroes
Dungeon Fighter Live
Diabolical Pitch
South Park: Tenorman's Revenge
Shank 2
Scarygirl
Voltron
Resident Evil Code Veronica HD
Guardian Heroes
Batman Arkham City: Icebreg Lounge Challenge Map DLC
Costume Quest - Grubbins On Ice DLC
Spelunker HD
EU MK9 Characters DLC
MSP/PSN vouchers
Only looking for the above (unlike my PSN thread post).
These are pretty much the only things I'm looking for at the moment, and I don't plan on trading XBLA codes for anything else... Just to save both you and me some time