http://www.youtube.com/watch?v=ZeCgUzLzrZo
ALL this is on the 360, so when you see the windows screen, thats just the computer messing up.
looks like we see a new pistol, the Nova, along with the SCARAB rifle with a reflex sight. climbing up on ledges, moving to cover, leaning out over cover, kicking things like cars (in a really HULK SMASH way) also an ability to grab items like before.