"After an unexpected delay (and plenty of rumors that soon followed), AMD's Radeon HD 6970 and Radeon HD 6950 finally see the light of day. The Cayman GPU brings a new VLIW4 core design that enables better efficiency and improved tessellation performance among others. AMD has positioned the HD 6970 as the superior enthusiast GPU, while the HD 6950 is touted to be in a class of its own. But still, the burning question: can the AMD Radeon HD 6970 subdue NVIDIA's GeForce GTX 580?"
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips