New trailer released yesterday.
http://gamevideos.1up.com/video/id/22848
Complete Ghostbusters geek here, and I can't wait. I'm not much of a gamer, but I'll get getting this right away. Loved the fact they got everyone back to do the voices, especially Murray. (even Bryan-Boyle Murray!)
I think Walter "d*ckless" Peck is in the game as well.