If you are going to reinstall Windows, then you install Windows first, then after you can boot into Windows, then you install drivers/utilities off of your mobo CD.
Make note that the drivers/utilities on your mobo CD are going to be outdated and that you should get the latest versions off of the manufacturers website.
Intel E6750...........PSN: ELBATROP
XFX nForce 650i Ultra
Patriot PC2-6400 8GB (4x2GB)
36GB WD Raptor
Samsung SyncMaster 931c
Samsung SyncMaster 750s
Windows 7 Home Premium 64