Quote Originally Posted by SegNin View Post
There are 3 actually.

Here's the best one--at least right now it's the best:
http://www.generalemu.net/forums/PSP-Player-f-62.html

I'm not sure how good this one is, because I don't have any PSP games to test it.

Kazuya Mishima already gave you the other 2:
http://www.emulator-zone.com/doc.php/psp/
He asked for an emulator that played commercial games, none have that ability yet.