Some DA/JMA sites:

http://www.darkangeltv.com/
(One of the first sites for the show. HQ layout, lots of inside info, nice message board ~_-)

http://www.darkangelfan.com/
(Nice fan site.)

http://www.darkangeltheseries.com/
(The official site, has some great images and other interesting facts.}

Some other sites of interest:

http://imdb.com
(The International Movie Database. Has tons of info on movies and tv shows, and is well updated. Their DA section has all the credits for the cast and crew of DA.)

http://epguides.com/
(A SUPER episode guide site!!!)