Found this on CNET.
The company that makes WinX DVD Ripper is offering a period where they are allowing free downloads and registration codes for the mac version of their DVD ripper. Normally it's 35.95. But from April 15th through May 1.
Here's the story.
http://news.cnet.com/8301-13845_3-20002684-58.html (http://news.cnet.com/8301-13845_3-20002684-58.html)
EDIT:
Not to make this post sound too much like an ad, I'm trying it out and so far so good.