If you did not jump right to the video you'll be interested to know that like said the co-CEO of Bioware a good part of what is shown there had never seen before. Unfortunately I've had to stop my camera before the end because the level shown would have been a very big spoiler. I don't want to say too, but let it just say that the village in flames was just incredible looking.

Video, translation and subtitles by Snoopers.
Interview by Ekianjo, Lugh (Sanqualis.com) and Snoopers.