well it's certainly a neat idea (please don't flame me!) and you don't have to run windows- use linux!
those refurbished machines could really confuse people (especially the supercharged NES! imagine that as your office linux server!
I think it's kinda cool anyways...great party trick or something to show off to unsuspecting friends (I usually get shocked reactions when I boot windows 98 thru VPC on my mac!
but I would still prefer an untainted amiga, nothing can replace those