The DVD/Blu-ray is already available for pre-order in the UK at HMV. Details of the 2 Disc DVD version
Special Features
Over three hours of amazing extras including
Commentary 1: Kristen Stewart and Robert Pattinson
Commentary 2:Stephenie Meyer and producer Wyck Godfrey
Deleted and extended scenes with audio commentary from the director David Slade
A six part making of documentary
Photo gallery
Edward Fast Forward
Jacob Fast Forward
Music videos from Muse and Metric which both feature on the film’s bestselling soundtrack
The UK release date is December 6th. US Release Dec 4th as earlier announced.
via/via
You can pre-order via AmazonUK HERE
Well done Summit! Well done! 
In Theaters: June 30, 2010
On Video/DVD: December 4, 2010
Starring: Kristen Stewart, Robert Pattinson and Taylor Lautner
Director: David Slade
Genre: Drama
DVD/BD Special Features (2-Disc and BD/DVD Combo Disc only)
2 Audio Commentaries: Rob Pattinson, Kristen Stewart; Stephenie Meyer
Deleted and Extended Scenes
Photo Gallery
6-Part Making of Documentary
Jump to... Your favorite scenes
Music Videos
PIP Commentary (BluRay Disc only)
I think that we may only have half R/K commentary; then when they reach 'leg hitch scene' we will only have make-out noises. haha Me likey it more.
PiP means 'picture in picture' we get to see R/K do the commentary. Something like THIS OMFG!!
