I used to use cheap psus (sprakle, and other chinese made garbage), but after running efficiency tests on them, and seeing 60-70%, it was time to shell out the extra monies for good ones. The corsair line is pretty solid. They give you a 5 year warranty on all of their high end models that run around 70-130$ and have 80-90% efficiency. Besides, you simply must have a 500+ watt PSU for even the lowest of low end PCIE gfx cards now days =X (I run XFIRE)
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