This is one of the fastest GTX 580 cards we have ever tested out of the box, though since the release of the AMD Radeon HD 7970 3GB card in early January the overall single-GPU performance crown has moved away from the NVIDIA kingdom. By no means does ths make the Gigabyte GTX 580 Super Overclock a bad card (or ANY GTX 580 for that matter) but you need to make the judgment based on pricing and budget more closely now."
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