this buyer on ebay is just being a dick now. he tries to low ball me at $25 then $29 now $13.
Do what the pros do, tell him to fuck off.
THE BEST METHOD to run PSX games (and everything else for that matter) is via Retroarch - http://buildbot.libretro.com/nightly/
If you have any questions on how to set it up on Windows please feel free to ask, its very easy.