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.
I put in an application months ago for a job I check my email today to find I got a response telling me it's moved to the evaluation phase. now I have a job response in a timely manner my ass
The others spanked the monkey to death.