Of course if there was good powder -- not crap -- i would definitly hit up all the pow before the park. But at the same time i don't like people who say stuff on the lines of, "real skiers only go into the park when everything else is bad." I think Belanger said in an article (and I'm paraphrasing), park skiing is what i enjoy at this point in my life, i can go into the BC when i get old.
Anyways, to answer the question, on pow days i usually go hit up pow and run through the park on my way down; because park with pow can be fun sometimes.