Not to further an already answered topic, even though it may be used for other things about game play but.
Err...I suggest you look at this video (
http://www.gametrailers.com/user-movie/the-force-unleashed-2-gameplay/345802).
PS: I'm pretty sure that dismemberment has been left out of games because of the rating system. Not sure why they're using it now.
It was said by haden in a live demo that they wanted it to feel more like a lightsaber and not like your swinging an luminous bat around.