Commodore 64? Nothing fancy is needed just get a good refurbished PC for a few hundred bucks. Try ebay
Apple is really good but for her I think sony Vaio or compaq. I have a toshiba laptop which really works well. I'm not an expert on this though but you can check circuit city for reviews they have laptops under 500 dollars which I think is a very fair deal http://www.circuitcity.com/ssm/Note...3+312963001/link/ref/rpem/ccd/categorylist.do
Doesn't do a lot of travelling but does need to cart it to and from work. Not the best environmental policy. No not all tech-y, but rather teach-y. All teachers in her school are being made to write up reports on computer even if they'd rather do them by hand.