Bob: : Five things come to mind: Remaining battery life, CPU speed, amount of : RAM, hard drive capacity and remaining life, and warranty. : : Other than those, everything is electronic and less prone wo wear and : tear by use...... : : I was acquainted with a guy that bought from sources you mentioned and : stripped them and sold on eBAY ala carte...... : : Caveat Emptor...... who'd buy a stripped computer ? I strip and sell parts too, not as lucrative anymore these days though .. k