How much would it be worth to sell my PS3 slim with 10 games and two movies?

the games are:


Motor storm pacific rift


LOST Via Domus


Army of Two


The Beatles Rock Band (With all instruments)


2x Call of Duty Modern Warfare 2 (one never been open)


Call of Duty Modern Warfare


Socom Confrontation





Blue Ray Movies:


Transformers


Transformers Revenge of The Fallen





How much is all of this worthHow much would it be worth to sell my PS3 slim with 10 games and two movies?
Is the ps3 slim 120gb or 250gb? I would say $350