See I knew there was a catch!! PFFFT Warrior is getting handouts from an emulator developer!! (although its free but thats beside the point)
I RAISE MY PITCH FORK TO YOU
========E
I actually have no time for emulation currently but I will give it a shot somewhere soon
I started getting more into it when I saw it had a ton of potential, also learning about various things and helping report/fix issues is good to.
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.