Just got the Haibane Renmei 00 DVD in. It contains the three-minute promo and eyecatch, which also happens to be included with the third DVD, as well as a mini-FAQ of the haibane renmei universe and the storyboards (conte) of the three-minute promo video.
The promo contains scenes which do not exist in the anime, some of which are quite beautiful.
When this comes out in the u.s. i’m sure these things will be included.