The Scifi Channel picked up Firefly! Set to begin Friday, July 22, and including the not aired episodes that are in the season 1 DVD collection.
http://www.tv.com/story/story.html&story_id=335
Scfi Article
http://www.scifi.com/scifiwire2005/index.php?id=31260
Serenity The movie
http://www.serenitymovie.com/
Now if only they would promise us a new season! They got exclusive rights, so it is a possibility.