you guys have to realize that you are on a computer forum, you obviously have a interest in computer or electronics. some people just don't want to do it themselves. they don't want to be bothered with it, just bring it in broken and leave with it fixed. it takes time to do the research to learn how to do something you've never done before and when you just need it to work it's to long. the shop I work in charges $75 to do a wipe and reinstall, this includes a dvd worth of backup, reinstall of os, drivers, all windows updates, and any software you bring in that you want reinstalled after the install. now tell me honestly, if you have no clue what you were doing with a computer that wouldn't even turn on, is this not a good deal??
on another note, I'm sure best buy charges about 400 bucks for the same service considering to do the single dvd backup is around $90.