Well, I can tell you about a couple of RPGs that come to my mind first :
Parasite Eve 2
...of course there are more games that do not work - or work with varying degrees of glitches, so may I suggest that you check a compatibility list ? ...I heard that the compatibility list at ePSXe Fanatics is up.... click below & give it a try !!
LOL i don't know man that page is "as is". I just copied a hard copy of the original site and uploaded to angelfire. You don't need to click on any of the letters though. Cause the list is the "full" list before site went down.