I have both Cart and CD version of NG Home Systems and don't know why ppl love to buy so-expensive Cart game? I used to have a hugh collection of Cart games but I sold out most of them (only 6 games are with me now...) and got CD version instead. It's cheaper and longer life span than Cart (except for long long long loading time). Why you guys love to shell out big $$ for one game? For collection or ???