I just read an article published on The Guardian about the launching of two YouTube channels by Associated Press in company with British Movietone, with a million minutes of historic world news. There's a lot of nice and interesting videos of the Stones on the following links:
Yep, great stuff indeed. So far, the best ones are the ones posted on the AP YouTube channel, with some very interesting reports, like this one from the Astoria 2003 concert: