Black Mamba

"You get what you pay for!" Is this maxim realy true? On the one hand there are more than enough expensive PSUs with high ripple and noise results with a noisy fan thrown in as well; on the other hand, you can't get the best capacitors without paying a premium. So let's see how three different 550W power supplies compare, particularly in light of their pricing. There's quite a spread here in terms of cost; how much PSU can you get for your dollar?