Keep in mind that a more efficient powersupply has a possible chance to save you money on the electricity bill. OCZ Powerstreams are very good power supplies. If you are running an SLI setup, dont get 2 12V rails, get a single 12V rail. Why? Because one 12V rail goes to the video cards, one goes to the cpu and other things. If your video cards need more juice, its impossible to get it. Now, if you have one 12V rail, your video cards can keep on drawing more and more current. Get the OCZ powerstream. Powersupplies are usually the number one thing holding people back on an OC. If the rails are not stable, they will droop under load and cause instability. I have seen the 12V rail go as low as 11.2V on a cheap powersupply. THe OCZ Powerstream and many other top powersupplies will only fluctuate roughly <.1V.
