MSI has upgraded their GTX 580 Lightning and calls it Xtreme Edition now. The biggest change is certainly the inclusion of 3 GB of GDDR5 memory. Other new features are a dust removal system and a fan that indicates overheating by color change."
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