Movies.com - http://movies.go.com/newandupcoming
Links to official sites, upcoming cinema schedules, clips and interviews.

IMDb: Now Playing - http://www.imdb.com/nowplaying/
Recent and upcoming cinema from around the world

Moviefone - http://www.moviefone.com/coming-soon
Coming Soon movies, news, previews, and features on Moviefone.

Comingsoon.net - http://www.comingsoon.net
Cinema and retail release dates, trailers, reviews and news.

Underground Online - http://www.ugo.com/channels/filmTV/
Extensive information about current movies.

Yahoo! Movies: Greg's Previews - http://movies.yahoo.com/upcoming/
Comprehensive coverage of new releases and films on the horizon.

CountingDown.com - http://www.countingdown.com
Movie news and focus pages that count down to blockbuster release dates. Also find articles, trailers and rumors.

The Sci-Fi Movie Page - http://www.scifimoviepage.com/upcoming/upcoming.html
Previews of upcoming sci-fi movies.

Movie-Source.com - http://www.movie-source.com/
Reviews, previews, and pictures.

Mooviees.com: Movies Coming Soon - http://www.mooviees.com/t/movies_coming_soon
Featuring movies coming soon to theatres including nationwide and limited releases.