I was reading captsolo weblog - On Digital Cinema and Video Formats and it has some nice links off to yet more video format information. I think that I will have to take some time and sift through so that I understand all of what is going on. Then have a play with scaling and encoding and de-interlacing. Did I mention that the interlacing problems have gone away since I have got the freevo image to go full screen properly.
Found a site the other day that said the TV pixel are not square so I still have a lot to learn.Listen to this podcast