ouch, that is what worries me, the whole firmware thing.
never have owned a psp so not sure about changing firmwares and not damaging the psp.
another question, is the Roms and emeulators (nes, snes, etc) used in the psp, the same as the ones used on the PC? or are the special emulators? and how do u run them? do you just copy them to a memory stick and run them the same way u would on a PC?