ifcaro just released the first version of his PS3 USBADVANCE. ifcaro tested several games, here a quote of one: Project Zero 3: 100% PERFECTO, LAS CARGAS RAPIDAS, LA INTRO, TODO PERFECTO.
To run the application you need to use Swap Magic, to load the ELF file.
Here ist a pic of the PS3 USBADVANCE !!