Admittably, this site is just to get the quick and easy version of the video, but there is a much larger version of the announcement trailer on Bungie's site.
http://youtube.com/watch?v=wh4G60WBbhg
As Cortana says: This is how the world ends...
With kickin' action and music to boot!
__________________
CO, USS Kep Salu
Evil Emperor of the Black Isles.......
Yodck: The perfect Anti-Sith butt-whooping, going medival Jedi Master! (Complete with nerve pinches, and strange vulcan sayings spoken in yoda tounge.)
http://groups.yahoo.com/group/AllianceCommand/
The site of strange things.
I reject your reality and subsititute my own!