We have also received and estimate of how much The Hobbit trilogy has cost so far, not including the pick-up shooting this summer: $561,000,000. Quite a hefty number. Its good to know that Peter Jackson is going all out!
The Hobbit: Desolation of Smaug TV Spot 1
The Hobbit: Desolation of Smaug TV Spot 2
The Hobbit: The Desolation of Smaug Official Main Trailer [HD]
The Desolation of Smaug Desk Diary
Sources: Warner Bros. Pictures [YouTube] (improved trailer), TheMovieBox.net (tv spots), HobbitFilm.it (images), Variety.com (cost of movies)