Maybe I was the only person who hadn't stumbled onto this site by now, but if you haven't checked out The Unknown Screenwriter, you should definitely do so.
This anonymous scriptmaster is kinda like a movie-oriented Miss Snark - someone (seemingly) deep within their field and very knowledgeable who can give great advice.
On that note: WD sure has a good set of blogs for those interested in writing, and the blogroll is soon to be even one bigger.
Chad Gervich, an LA-based television producer and playwright, will soon be running a WD blog for screenwriters. It goes live on Nov. 1 and the Web address is: