This is a very simple PowerShell script, but I found it very handy. I normally use this export/backup method when i need to make sure drivers are the same after reinstallation, or when i need to backup OEM machine before testing and staging them.
Hopefully this is something you will find useful to. If you ever need to restore/load these drivers into Windows again, you can use this method:
This is in Danish, but Google Translate should make it very easy to read :).
Export-WindowsDriver -Destination "c:\drivers\$((Get-WmiObject -Class win32_computersystem).Model)" -Online