That's a worry ^
I only have Avatar or AC/DC pro. Both in new condition.
Andy, its alot of work, and then u have an added 500 games on your machine....lots of risks, espescially since u are selling Avatar....
I would prob not risk it, one scratch or one kid trying to hang off the ball shooter rod like they tried at my last gig, n u have a long term scratch or headache....wait til u buy a cheapy n invite people over instead to play your minty machines i reckon...