I may be jumping the gun here but it looks like there is going to be a recall on possibly all Sandy Bridge motherboards due to a faulty chip in the SATA controller. There are a few other threads about this but I wanted to put this here as an obvious warning.
For more info see
http://www.zdnet.com/blog/btl/intel-hit-with-chipset-design-flaw-in-sandy-bridge-rollout/44257
http://www.engadget.com/2011/01/31/intel-finds-sandy-bridge-chipset-design-flaw-shipments-stopped/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+weblogsinc/engadget+(Engadget)
or just google intel recall
For more info see
http://www.zdnet.com/blog/btl/intel-hit-with-chipset-design-flaw-in-sandy-bridge-rollout/44257
http://www.engadget.com/2011/01/31/intel-finds-sandy-bridge-chipset-design-flaw-shipments-stopped/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+weblogsinc/engadget+(Engadget)
or just google intel recall