I never thought I would be in the situation where I want to play a game but realize I have so many to choose from that I decide it's easier to just go do something else...
I have TOO damn many games I have to complete...........stressful
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.