Must be complete in near mint/mint condition. There are loads I want, so let me know what you have with prices please, but i'll try to add a most wanted list later. Don't PM me saying "I have this, how much are you willing to pay?" unless you really want an abusive message in return. 
Off the top of my head these would be a great start:
Power stone
Power stone 2
Skies of arcadia
Zombie revenge
Cannon spike
Resident evil code veronica
Headhunter
Soul calibur
Off the top of my head these would be a great start:
Power stone
Power stone 2
Skies of arcadia
Zombie revenge
Cannon spike
Resident evil code veronica
Headhunter
Soul calibur