Selling Steam Account with various games.

Selling my steam account with a couple of games. Don't know how much I want for it so give me best offers, but nothing too low balling please! Also, I'd rather trade if possible. Looking for MW3, and BF3.

Games:

01 Call of Duty: Modern Warfare 2
02 Counter-Strike: Source
03 Day of Defeat: Source
04 Half-Life 2
05 Half-Life 2: Deathmatch
06 Half-Life Deathmatch: Source
07 Half-Life: Source
08 Killing Floor
09 Left 4 Dead
10 Unreal Tournament 3 Black

Screenshot: