http://www.aintitcool.com
Hollywood Gossip by Harry Knowles
http://kenlevine.blogspot.com/
Ken became the head writer of MASH in his 20s. He went on to write and create some of the best television in history. While he continues to work, lucky for us, he also blogs.
http://www.mcnblogs.com/thehotblog/
Another equally insightful Hollywood fact/rumor industry site. Since Jeff Wells is listed, we have to list his arch-nemesis David Poland as well.
http://www.defamer.com
Mark Lisanti's constantly updated site on everything new, fun, and important about Hollywood and the entertainment industry
http://www.hollywood-elsewhere.com
Jeff Well's Insider's Look into Hollywood
http://www.imdb.com
Internet Movie Database
http://www.johnaugust.com
Website about John August
http://http://hucksblog.blogspot.com/
Screenwriter Josh Friedman's blog
http://www.PerezHilton.com
The queen of media's gossip site. Constantly updated. Funny and sometimes informing