Been riding Magic J's for two seasons now, it's my favourite ski, so much so I ski it in nearly any conditions.
I bought it for powder but it performs so well all over the mountain. Holds an edge well on groomers so you can rip at full speed, the width and rocker seems to soak up little bumps so well that when i return to a skinnier ski I miss the comfort of the magic j.
When it dumps, the transition into skiing powder is seamless. You don't have to try and keep your tips up it just floats beautifully.
Fantastic ski and would highly recommend!