Replying to Soft or Stiffer Park Ski?

When it comes to a park ski do you prefer it to have a softer or stiffer flex? I bought a pair of Atomic Punx this fall from the Virtika Pro Sale as I was looking for a pure park set up in an attempt to keep my Line Blends in better shape for all mountain ripping. These skis come from two completely opposite ends of the spectrum in terms of flex pattern though, and I'm not sure how I feel about the stiffness of the Punx after shreding on my Blends all last season. That being said, whats a solid park ski with a medium/soft flex pattern?

I'm 6'4 and weigh about 210. So preferably something in the 180-185 range and between 80-95 underfoot.