WinX DVD Ripper Platinum is an excellent DVD ripper that can rip most, if not all, DVDs to to various different output formats:
WinX DVD Ripper Platinum is an ultimate DVD ripper software capable of ripping the content of DVDs to a wide range of mainstream video formats, such as AVI, MP4, MPEG, WMV, MOV, FLV, 3GP, etc. Users can also painlessly rip DVD (including encrypted DVD) to iPhone, iPod, iPad/iPad 2, iTouch, Apple TV, Zune, Mobile phone, Sony PSP, Zen, etc.
This DVD ripping software brings you the fastest DVD ripping solution in market thanks to the cutting-edge technology to support Multi-core CPU (maximally 8-core processor), Hyper-threading and the newest CUDA. Moreover, the built in revolutionary backup feature enables you to directly copy DVD to hard drive and USB with original Video, original 5.1 Channel AC3/DTS Dolby Audio within 5 minutes (the processing time also depends on your CPU and DVD driver speed).
The best part is that it can bypass DRM protection on DVDs! (Please only rip DVDs in a legal manner.)
- Regular DVD (homemade DVD).
- Commercial DVD CSS encryption.
- DVD Region Code Enhanced (RCE).
- User operation prohibition (UOP).
- Sony ARccOS DVD protection.
- Disney New DVD Copy Protection — Disney X-project DRM.
- The Analog Protection System (APS).
Input DVD Formats:
- DVD 5, DVD 9, DVD ROM, DVD-R, DVD+R, DVD-RW, DVD+RW
Output File Formats:
- Original MPEG2 (DVD), AVI, WMV, FLV, MP4, MPEG, MOV, 3GP, Xvid, DivX
- iPod, iPod classic, iPod touch, iPod nano
- iPhone, iPhone 3G, iPhone 3GS, iPhone 4
- iPad/iPad 2, Apple TV
- Sony PSP, Microsoft Zune
- General 3GP Mobile phone, Nokia, Motorola, Sony Ericsson, Blackberry, Zen
- MP3, JPEG, BMP
Ashraf has reviewed WinX DVD Ripper Platinum in the past and has loved it (http://dottech.org/shareware-reviews/12404 ).
There is a promotion running allowing everyone to get WinX DVD Ripper Platinum for free! The promotion will last until May 14th, 2011:
Download link: http://www.winxdvd.com/download/winx-dvd-ripper-pt.exe 
Registration code: AA-TUUNTNTQ-HFRHXU
Promotion page: http://www.winxdvd.com/giveaway/maheshkukreja.htm 
Product homepage: http://winxdvd.com/dvd-ripper-platinum/