I use Ubuntu and AcidRip DVD Ripper. Nice 1 step process to rip the DVD to a file (.avi or .mpg). You pick the file size, bitrate, and size of the movie. I usually try to get a bitrate around 580 to 600 and a video size of 400x222. The .avi file size winds up around 600MB for a 2 hour movie. My .avi of Black Hawk Down is about 601MB and plays great on the N800 in Canola. My P4 (Mobile) 2Ghz processor takes about 1.75 times the length of the movie, 1 hour movie takes about 1 hour and 45 minutes. I use also Avidemux, on Ubuntu, to chop out the comercials from TV shows .avi files I have created from DVDs with AcidRip.