Movie Reviews

Internet Movie Database - They claim to be Earth's biggest movie database.
Metacritic.com - Metacritic provides a cross-section of reviews from a carefully-screened group of the most respected critics for the latest (as well as earlier) releases in film, video, music, books and games in a clean, user-friendly manner.
Movie Review Query Engine - Reviews of over 48,000 movie titles.
New York Times Movies - Includes reviews for all films reviewed in the New York Times since 1983.