I have parts from 12 psp's for sale (£350 ONO)
10 psps were 1000 (phat/fat):
4 back/front plates
4 battery and covers
2 motherboards
2 umd drives
6-8 button boards
12 packs of buttons
alot more.......
2 were 2000 (first slim)
2 psp's no screen
1 screen
2 umd drives