I was watching the Thursday's episode of The Screen Saver that TiVo had kindly taped for me. One of the Patrick's featured segments was on PE Builder—a software package that will create a bootable Windows CD from your installed copy of Windows.
If you do a lot with Windows, you've probably run into a time when you needed a Windows bootable device and this looks like the perfect tool to help you do that. I remember running into this site a while back, but didn't mess around with it. Go read the full TechTV article for more information.