An article at SunSpot.net discusses the impact of motion capture technology and it's possible use in Robert Zemeckis' next film, Polar Express. Former ILM Supervisor Ken Ralston will be supervising the work to be done by Imageworks.
The article is kind of shocking including references to mocaping main characters including the one to be played by Tom Hanks and recreating him while still being a live action picture. You can read it here:
Thanks to artifish for the interesting link.