the maps look awesome. the Character models are only ok though. Character animations are crap. Holding onto bunny hopping, just looks stupid. Conc grenades seem to unbalance defense, and something with such a high learning curve, that doesn't make any sense physics wise doesn't fit well. Why make the entire game realistic up until the point you get to player movement where you break the laws of physics and hop and fly around.
Anyways, the trailer is good, it does its job of showing the game off and making you want to play it.
The game, not so much, attracting new players will be hard with such a high learning curve.
When I want fast paced action, I definitely don't think of FF, I think of Unreal Tournament.