They finished filming in December and I believe this movie will be released next December (2005)! I don't want to wait that long!
Here are some links, some have pictures and mild spoilers:
http://www.apple.com/trailers/disney...of_narnia.html (mild spoilers; just a video of how they made some of the characters)
http://media.filmforce.ign.com/media...54/imgs_1.html (four images from a set visit)
http://www.narniaweb.com/news.asp?id=158&dl=1688230 (pictures of the four kids)
http://www.narniaweb.com/img/news23_2.jpg (a picture of the theater display which is pretty awesome if you ask me!)
http://www.narniaweb.com/ (all the up to date information)