[H] Buds, keys, bills, refs [W] Game offer

Dungeons of Dredmor: 1 key 2 ref

Tom Clancy's Splinter Cell Chaos Theory®: 4 keys

Company of Heroes: 3 keys 2 ref

2xNuclear Dawn: 2 keys each or 3 keys 2 ref for both

Torchlight: 2 keys 2 ref

Mirror's Edge: 4 keys

Tropico 4: Steam Special Edition: 7 keys

Sniper Elite - 3 keys

Max Payne 15 keys

Torchlight for 75% Coupon for Portal 2 and 3 Beta keys of Guns of Icarus Online ?

csgo and gta complete for bud or offer for separateky

I'm interested in Witcher (1 and 2), Batman AC, Fallout 3 and Payday?
I have Dead Space Pack, Terraria, Mirror's Edge and Portal 2?
Any reasonable combination?