chill, he's using them for park only though, so he might as well centermount them. just because they're non symmetrical doesn't mean they won't perform well centermounted. there are tons of asymmetric skis that people centermount- dumonts, addicts, fujis, silencers, extremes, AR6s...just to name a few. line just markets them as an all mountain ski because they have two symmetrical skis for park, and they're slightly stiffer.
armada markets their el reys as all mountain skis, but TJ used them for most of last years comps. u can bet they were centermounted.
i'm sure if he'd had another choice he would have bought symmetrical skis, but apparently he got these for super cheap.
my question is...why are you getting chronics and extremes...aren't they like really similar all mountain/park skis?