What would gamestop give me for all of this?

about how much would I get for all of this im not sure if I want to though but tell me please about how much for arcade 360 ,two 360 controllers, memory card, 20gb hardrive, MW2, Cod Black ops, mortal kombat, red dead redemption undead GTAIV, Gears of war 2 , rockband 3, dantes inferno, Duke Nukem forever, Bioshock 2, dj hero and turntable, Halo 3, create, FF13, Fable 3, Saint row 1 and 2 , viva pinata , viva pinata party animals, tropico 3, crackdown, supreme commander 2, NHL 2k7, Mlb 2k8, resident evil 5, left 4 dead 2, Tc graw, splinter cell conviction, please about how much would I get for all of this give for real answers