MSI's Radeon HD 6970 Lightning is the company's new flagship single-GPU card for AMD. It offers plenty of overclocking features like triple voltage software control, voltage measurement points, a powerful cooling solution and increased clock speeds out of the box. What is even better is that those features are available at a small price premium of only $10 over the AMD reference design.
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