I'm rehabilitating some old(er) laptops the following would be very useful:
PC-133 SODIM 512 MB (x2)
IDE Harddrive (2.5") 30 gig minimum.
Slot loading DVD burner (for g4 ibook).
Ibook g3 12" Inverter Cable.
None of these computers are worth that much so, I'm not interested in dumping too much...