I haven't used them, but my buddy Sky recently got them, and loves em. He's pretty big, I think around 185?
I guess no one told him they don't handle jumps:
Hey Dru, did you realize that the more people you put in a room the cheaper it gets? The limit of the price per person as the number of people approaches infinity goes to zero! Imagine that!
Go for the Squak, fewest crevasses. You'll be fine, just watch out for crevasses (ie don't let loose and forget that you're on a glacier). It's an easy ski, even I can do it.