[H] Prime World : Defenders, Sequence [W] Payday / Left 4 Dead 2 / Bioshock (more in comments)

Hey all,

Looking to trade through steam. Have a copy of Prime World : Defenders ($14.99 current steam price) and Sequence ($4.99 current steam price). My current want list (building steam account for friend as surprise):

Payday

Arma 2 w/ expansion (for day-z)

Left 4 Dead 2

Torchlight

Portal 2

Mass Effect

Any of the Batman series

Bioshock

Bioshock 2

Thanks,
Dylan