[H] Stalker: SOC [W] L4D2 / Killing Floor DLC

Have:

Stalker: Shadow of Chernobyl

TF2 Keys

Want:

Left 4 Dead 2

Killing Floor DLC: Community Weapon Pack 1

Killing Floor DLC: Community Weapon Pack 2

Killing Floor Bundle (if really good offer)

TF2 Keys

I am NOT interested in other games.