DVD for Pocket PC
Given my esteemed colleagues on this site always post about technology, I figured I could throw something into the mix:
http://www.pqdvd.com/
This is a pretty good piece of software that rips a DVD image and compresses a 2-hour movie to about 200-250 Mb. I've been using it on my Dell Axim and was impressed. I used the BetaPlayer you can also download from the site. Great for sitting on the train for long periods.