How much money will I get if I sell all these games to gamsetop? Read details!?

Hey there! I am currently saving up for a ps3 and I have $107 us dollars saved up. I'm planning on buying the 300 dollar one. So would you think I wid have enough? Here are the games I'm gonna trade in: GhostBusters(xbox360). Call of Duty 4(xbox360). ModernWarfare2(xbox360). Prince of Persia(xbox360). GearsofWar2(xbox360). Skate 2(xbox360). CallofDuty World at War(xbox360). Jak and Daxter 1(PS2). StarWars Starfighter(PS2). ApeEscape Pumped and Primed(PS2). Dogslife(PS2). Final Fantasy 12 CollectorsEdition(PS2). Super Mario 64 Ds(Ds). GuitarHero World Tour (includes everything)(Ds). Animal Crossing Ds(Ds). Super Mario Bros. DS(Ds). Nintendogs Dachshund & Friends(Ds). ZooTycoonDS(Ds). Sonic 3 Advance(GBA). Pokemon Ruby and FireRed(both GBA). 2 copies of DBZ Legacy of goku(GBA). Fire Pro Wrestling(GBA). The Cat in The hat(GBA). And Finally Final Fantasy IV Advance(GBA). If these don't get me enough to buy the ps3 $300 one, I will sell more things but how much do you think I will get for all this? Thanks, xSuncinx