DriverBackup!

I'm not sure how much demand there would be for a tool like this, but I found an open source driver backup utility called DriverBackup!

here's the discription from SourceForge:

Simple tool for backup hardware drivers' files. DriverBackup! preserves drivers of your hardware peripherals from injury of time,saving important files into a specified directory. So you can use these files to reinstall your perip. without CDs or Floppys.

The website is: http://sourceforge.net/projects/drvback/