Replying to Anyone used jmos and sfbs?

i know these are two very different skis, but here is my reason. i originally wanted a fat allmountain/powder ski that i can take in the park when i want, because i have some other park skis, but when i ski all mountain, i like to ski alot of trees and bumps, would sfb's kill me? this is why i was thinking jmos with a custom, softer flex pattern would be better. also i live on the east and would like something that holds an edge well. let me know which would be better