Gametrailers has relased some multiplayer videos, here they are:
It seems you can take very few bullets and you can die very fast; my opinion: I love it.
First it encourages the use of covers.
Second: it makes teamwork necessary.
Really I have played many third person shooters but often I was disappointed because it would take too many bullets to to kill anyone leading usually to frustrating exploits like "bunny-hopping".