While not a "go to" enthusiast brand, Kingwin has produced some excellent computer desktop power supplies over the last five years and these have usually be great values. Does Kingwin continue the trend with its new Power Force 850W model sporting good efficiency, modular cabling, and reasonable pricing.
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips