Yeah, but nor with PR. Use WMM or something similar in the consumer area. Magix, Nero, and the like come to mind.
For video screen capture, Camtasia gets high marks. There are a couple of articles on working with the TechSmith CODEC's in PrPro. Jeff Bellune contributed to most of those. This ARTICLE, though a bit long in the tooth now, might also have some good tips.
If you have the material on DVD-Video, I would just rip from there. Obviously, it's compressed to MPEG-2, already, but will be better than from a screen-capture.
This ARTICLE will give you some background on the main structure of a DVD-Video, the VOB container. There are some tips on ripping in it. Also, PrPro CS4.2 can Import from a 100% DVD-compliant (very important) disc.