from what ive heard, they arent even that stiff, slightly stiffer than the hellbents.
that being said i havnt skied them myself, but have heard both good and bad things. from what ive gathered, all the bad comments are from skiers who are way to small to be on these skis to begin with. As long as you are a strong skier and have some weight behind you, you will be fine. the symmetrical sidecut and flex(i think?) might take some getting used too, but their elongated rocker design is supposed to be great.
i was thinkin about getting a pair next year when i go west bound, id reccomend checking out the on3p caylor, they seem similar, on paper at least.