A Must See! The ejournal, Images, has a great section on film noir in their In Focus section. Ten film noir classics analyzed, complete with stunning images.
A truly exciting spot on the web, John Blaser's Masters thesis, "No Place For A Woman: The Family in Film Noir", is in multimedia form on the WWW. It's excellent!.
This is a link to Andrew Mangravite's article on Miklos Rozsa, entitled: He Made Film Noir Sing.
The University of California-Berkeley Web has a link to some more film noir articles.
Ann Savage interviews writer Roy Frumkes about film noir.
Clay Wiedemann's cool article on The Big Sleep, one of my all-time faves. (Link may be down, sorry.)