Windows 7, Vista, XP? Mac OSX?
DVDs you have created? DVD's you own? DVDs you have rented or borrowed?
Do you want to store them? Do you want to play them from the hard drive?
Sometimes a little more info is needed to answer a question.
David Anders
The Computer Guy, Seattle
davidandersATgmailDOTcom

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic