Movies.com
Offers news, trailers, reviews, showtimes and tickets, and synopsis summaries for films currently in theaters and new to DVD and video. http://movies.go.com/
Reel.com
Stocks more than 85,000 movies for sale and 35,000 for rent. Videos and region 1 DVDs. Offers a descriptive catalog and a useful movie rating system. http://www.reel.com/