EW.com has posted six official new movie clips on their website. There is over six minutes of footage. However, these are not trailers. They are full-on action and dialogue clips, strait from The Hobbit: An Unexpected Journey. Beware of SPOILERS!
The goblin chase
Swords are named for the great deeds they do
Who did you tell about your quest?
There is nobody home!
I wasn’t talking to you!
Give him the contract