Copper and Loveland.
Winterpark is cool if you are with someone who knows where to go, but you can find yourself on long run-outs and in moguls all day. (it is literally the mogul capital of the world)
I've spent a few hundred days at these mountains in the past 3 years if that makes a difference.
WP is indeed covered in moguls. Really pissed me off when I had my pow board with me. Not to mention I feel like good snow gets blown off easily up there (I could be wrong) but Mary Jane is almost worth all the other BS.