MacX DVD Ripper is a DVD ripper that backs up and rips DVD movies (including commercial DVDs) to MOV, MP4, MPEG, FLV, iTunes video, minus all the copy protections that are widely used in DVD movies.
It can rip homemade disc and encrypted DVD movies for viewing on iPhone, iPad, iPod, Apple TV, Android, HTC, Samsung, XOOM, Galaxy Tab, PSP, etc.
The pro version allows you to create higher-definition rips in additional formats, including AVI, QT (QuickTime), and MP3 with/without subtitles. More Info »
Windows version is available here: http://www.macxdvd.com/macx-dvd-ripper-pro-for-windows/