Ok this is the best price I could find.
* Feature with three branched versions: Theatrical Cut, Special Edition, Extended Special Edition
* 2 feature Commentaries: Cast & Crew
* Cameron & Wisher Subtitled in all languages except Scandinavian (English)
* Interactive Mode (with 40 minutes of PiP SD, 18 minutes of non-PiP SD, and the slideshows with 97 minutes of audio)
* Technical information about the shooting
* Quiz-Mode and Game-Mode (BD-J only)
* Storyboard-Script Mode
* Database Mode (Bookmarks, Keyword Search)
* T2 THX HD trailer
* BD-Live client
P.S. As usually us brits get ripped off. The guys on the other side of the pond are getting a 6 disk edition + the head. However I am not sure whether or not the disks will be region free. If they are I'd advise you to get that edition instead.