I forgot all about this problem! I just wiped my dual doot system and went in whole hog to Windows 7 x64 and after several reboots as part of the install, I was left with no ethernet devices. I went to install the nvidia drivers for the 680i nforce chipset, but it wouldn't install the NIC drivers. D'UH! They are still missing! A shutdown, power off and start up restored them. Then I ran the install again and everything is fine!