Originally Posted by T_hairy_bootson
You can have multiple microSDHC cards though and swap them out at any time and put them in a card reader on the PC mount them in winuae etc.. quickly and easily. Moving parts hdd in a portable device = HDD failure. I have a 40gb ipod that the hdd is completely dead in. Good luck with your project.
Well the psp already has a socket for a sony memory stick, so if no hd, then i think it would make sense to use the existing socket.