Ok, so the thread on the DS boots got me thinking....

Are there any expensive classic games that are know to have had mass-produced bootlegs? Games specifically pirated because of their high after-market (eBay) value?

I would hope everyone would know about the copies of Ginka Fukei Densetsu Sapphire for the PCE Arcade CD. Seems this certainly was a mass-produced run. Very, very, good from what I've heared, but there are some very noteable differences.

I've also heared rumours that a bootleg run of Dracula X for the PCE Super CD exist too. However, I'm not too sure as there'd be loads on eBay, and someone would have spotted them by now. Unless they're that good?

So does anyone know of any others to watch out for? Are there any of the expensive Japanese MD games that you need to be careful with?

I did do a search before starting this. If a proper thread exists, lock this up.