"Overall, the XFX HD 6950 XXX 1Gb is an excellent graphics card for the consumer wanting a HD 6950 with a little better performance and an extensive amount of additional overclocking headroom. When overclocking, it seemed like I couldn't hit the limit and is by far one of the best overclocking cards I have tested in recent memory."
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