http://www.youtube.com/watch?v=VpgpUlllB8w
Brand new trailer. Shows new items, stages and customisations. Also shows two new characters - Lars Alexandersson and Alisa Bosconovitch.
Enjoy, and discuss your thoughts on the trailer and the game.
EDIT: Higher quality GameTrailers video here:
http://www.gametrailers.com/player/40238.html