Jeremy Moskowitz from GPanswers.com has posted 2 free GPUniversity videos.
Default Group Policy Objects
[
](http://www.youtube.com/watch?v=1-9huZgxOSI&hl=en&fs=1)
Group Policy Backup and Restore
[
](http://www.youtube.com/watch?v=YKoTLGPHZIU&hl=en&fs=1)
Interested in more ? Check out the Group Policy Online University.