Fanspot for Trevor Morris, composer of The Tudors, Game of Thrones, Immortals, and more.

An Examiner page devoted to the discussion of film scores, soundtracks and related movie music. Includes reviews, event news, and interviews.

The Wikipedia.org article on soundtracks.

Soundtrack.net is a cool site with TONS of soundtrack related things. Albums, movies, artists, reviews, and much more.