Internet Movie Database (IMDb)
"Provides access to information about movies (including those made for television) from across the world, starting with the earliest cinema through the latest releases and titles still in production. Covers over 170,479 titles with over 2,462,516 filmography entries, including major actors, minor bit players and crew members."
Video, DVD and Laserdisc Reviews. Includes a new release calendar and the latest video news.
Rotten Tomatoes Geared for the E-crowd, you can find recent movie information and a search engine which allows you to choose by genre, tomatometer (90% and above, 80% and above, etc) and rating. If you want a more advanced search, visit the search page at http://www.rottentomatoes.com/search/ and you can also include keyword search and narrow your search by decade.