Yep, add me to the list. We usually stay at OKW or one of the moderates when we're onsite, and we've rented, um, I think about 4-5 houses in the past 10 years. We like both experiences, but prefer the houses when we're staying more than sun-thurs (hello, dvc!) or have extended family with us. More room to spread out and relax, and in exchange you give up a little bit of the magic, which starts to wear off fast if you feel crowded by the space or by your inlaws.
So, short vacations with just the 4 of us = onsite, long vacations with extended family = pool home.