Here is a post I made on another Internet forum a while back that addressed the issue of who was most technically-able to ski what terrain on the mountain. As such, I wholly disagree with powder99's comments...
'To say 'a good racer would smoke most mogul skiers on groomed runs, while a good mogul skier would smoke most racers in a mogul run' is an oversimplistic way to look at it.
Generally speaking, in the realm of professional skiing, people with strong alpine racing backgrounds dominate the big mountain scene. Also, people with strong freestyle moguls, and to a lesser extent, freestyle aerials, backgrounds dominate new school freestyle/park skiing/jibbing.
MY only beef with the debate is to say mogul skiers and their abilities can be compartmentalized into just the mogul terrain, and the park. To say it's just 'one type of skiing' and not account for what effect mogul technique has on skiing the rest of the mountain is ignorant. The fact is, if you took all types of skiers -- racers, mogul skiers, backcountry specialists, jibbers, instructors, etc. -- it would be the mogul skiers who excelled the most in the most types of terrain and disciplines. 95 out of 100 alpine racers can't ski moguls worth crap, whereas 95 out of 100 mogul skiers could ski a GS course reasonably well. The same applies to skiing crud, powder and ofcourse park. In fact, if you can believe it, many racers avoid powder at all costs because they don't want to lose the feeling of setting an edge!
In any event, why don't you go ask Plake, Douglas, Smart, etc. who the overall best skier on the mountain is, and I'd bet they'd say it's the bump skier!'