I don't know if any of you guys saw this yet, but it looks pretty neat for those who don't want to buy a huge power supply for their rig. It takes some of the stress off the power supply from the video cards by powering them independently.
http://www.thermaltake.com/product/Power/PurePower/w0099/w0099.asp#
http://www.thermaltake.com/product/Power/PurePower/w0099/w0099.asp#