Get the one that has the games, upcoming games, and the Feature you want:
PS3 40GB: Free Online Play
Bluray Player
Video Store
Killzone2, Resistance2, BlazBlue, White Knight Chronicles, Valkyria Chronicles, FFvs13, Tekken 6, Little Big Planet, Uncharted2, inFamous, Socom Confrontation, Twisted Metal, GT5, GoW3, Naruto: Ultimate Ninja Storm.
That's all I can think of right now.
360: Netflix Service
Bigger Game Library
MS's Wallet as Support...
GeOW2, Fable2, Star Ocean 4, Infinite Undiscovery, Halo Wars, Left 4 Dead, Tales of Vesperia, Too Human, Dead Island, Guilty Gear 2, Huxly, Naruto: The Broken Bond, Velvet Assassin, Zoids Assault, White Gold, Your in the Movies.
All that I bothered to look up.
Note: Most of 360's so called "Exclusives" can be/ or will be available on PC.
4 ≈ One
