Longer press release trailer (looks like streamed from the TGS event) found on NeoGAF:
http://www.youtube.com/watch?v=npksDWpvDDk
Higher quality version courtesy of Firefly00 and VC3 website:
http://www.youtube.com/watch?v=G_isIKhvSC4
Looks like Squad 7 plays some part, you can also catch a bit of the classic Alicia Rush(TM).
Main site was updated as well, looks like.
Can't view the video on there though . At least I can't see it. linked above.