Hey I'm wondering how much are used psp's usually sold for? I'm trying to get one under 80 bucks, cause I'm a newbie in modding and don't really wanna spend too much cash on something that i will screw up on.... Also for the trigger mod where it says scratch the trace, where do I scratch the trace? Oh and if I were to buy a semi broken psp such as umd drive broken how much would that be? Thanks