Well, thanks to a poster on the TFN forums, I've learnt that the movie sequences in Dark Forces II: Jedi Knight can be Binked into avi files, so I'm gonna try compiling a DF2 DVD tomorrow.
If it works, and someone can tell me how to uplaod to myspleen, would anyone be interested?
EDIT ok, first snag. The opening sequence comes in at 1.86gb, which means I won't get much per dvd. Need to refine the conversion technique