he was playing games all day and fell asleep with the computer on ( about 7hrs total ). he gets up goes to his computer smells something burning, his computer shuts off. it wont turn back on now, im pretty sure its his powersupply but i dont know for sure(it was a cheapie 400w). his case doesnt have very good cooling. hes using a 2600+, 5900 nu, 512mb. if its his powersupply, whats the cheapest one he should get?