Acid Mods managed to a a DualShock controller to work with the Sony PSP console, "relying entirely on hardware modifications in order to work, meaning it can be done on any PSP regardless of the firmware." Video after the break. Click here for first picture in gallery.
It's also one of the cleanest-looking mods we've seen to date, with the only evidence of tampering on the PSP itself being a discreetly placed controller connector right above the power switch.[via Engadget - Acidmods]