Sorry for the messed up formatting of the above post. Since i could not edit it I'll try to make it right.
So for a really detailed comparison between some Premium solutions (with free trial) check here:
http://www.topsreviews.com/reviews/dvd-video-converter-suite-review.html
If you're only looking for FREE solutions check out this comparison (a few years old but it should give you a pretty good idea):
http://www.masternewmedia.org/convert-powerpoint-to-video-guide-to-the-best-free-services/
