"When Intel released their ""Sandy Bridge"" processors in early January with next-generation graphics, the Linux support was widely criticized as although they had been working on the open-source Linux driver for nearly one year at that time, it wasn`t a pleasurable ""out of the box"" experience and building open-source graphics drivers on Linux can be a real pain. With Ubuntu 11.04, which was released at the end of April, this ""Natty Narwhal"" release still largely misses the Sandy Bridge support train.""
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