I personally see trading in games to be a waste of money so I'm keeping everything I own (COD2, PGR3, PDZ, DOA4 & Kameo). When my collection starts to get out of hand, I thin it out by giving some of my older or unloved games to my nephew. He's 12, has no money and rarely gets any new games to play so I'd rather see him have my old stuff than give it to EB for $10 or $20.