It looks like all the extras from the prev DVD release have been ported over and are in 1080 HD Even the 4:3 interviews.
Oddly they give the film barely 12 gigs of space...
DVDBeaver has posted a review of the Blu Ray
http://www.dvdbeaver.com/film2/DVDRe..._christmas.htm
It looks better than the old interlaced DVD so I will prob grab up a copy. I like the grain however :-)