There are some interesting links I have come across and that may interest you!
http://www.time.com/time/covers/1101030512/story.html
Time Magazine offers an article and a list of links about the last Matrix :
since the last Matrix film is on French national TV tonight, and the new
Matrix reloaded is in Cannes, all your students will know or be curious
about it.
The official site:
http://whatisthematrix.warnerbros.com/

Matrix Fan site
http://www.matrixfans.net
Animated shorts of life in the universe of Matrix