My collection is miniscule:
PS2:
GTA:San Andreas
GTA 3
Metal Gear Solid: Snake Eater(my favorite game)
Metal Gear Solid: Sons of Liberty
Viewtiful Joe
Devil May Cry
Kingdom Hearts(actually, it's my friends)
Xenosaga
er Wilt Zer Macht
Freedom Fighters
Rachet and Clank:Going Commando
Twisted Metal Black
Lord of the Rings:Return of the King
Castlevania:Lament of Innocence(the original on the NES was one of my favorite games ever)
WWF Smackdown: JUst Bring IT
And some other games as well for PS1
I've got about $100 I could use for games, but I think I'm going to use it on CD's.