All I want for Christmas is a normal cambered board.
I've hit big kickers and straightlined the steepest part of a worldcup downhill racecourse on a skate banana, and let me assure you I will never ever do it again. I don't like feeling like I'm going to die. It just felt unstable doing everything. Yes it's good fun to jib around on, but for what your describing, I wouldn't bother, get a proper park board if you want to ride park.
I'm a huge fan of solid edges, reverse camber doesn't do it for me.
Then again it depends on your definition of a "fat jump". No offense meant to mooz here at all but 20ft is pretty average, you could send more or less any board into that, I was thinking more along the lines of 50ft wedges.