Free - Daniusoft's DVD to iPad Converter - Limited Time
Watch DVDs on your iPad with free converter | iPad Atlas - CNET Reviews
The normally $29.95 converter is free until August 31.
All you have to do is go to their facebook page, "Like" them to unlock access, and then enter your name and e-mail address, click "Get Keycode" and they'll e-mail you a keycode to unlock the software for free!
I'm waiting on my keycode so I can try it!
ETA: Just found one caveat on Daniusoft's webpage: With this free keycode, you can't get upgrades or technical support.