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#11
as most have already said it's one area you don't skimp.
i was greeted by a customer that had an i7 system on wednesday and a rather cheap 650w psu, the psu died on him causing a voltage surge that took out his ram and graphics card and somehow he was lucky it didn't fry his cpu.
moral of the story, if it's a psu and it's cheap don't touch it no matter what.