I find that these threads get a good audience. There are over 1200 views thus far, which isn't bad for a new thread with no answers, pictures or swearing.
I fully agree that powerheads are a sound choice for some people. It was never a matter of one being wrong and one being right, but one of which one is right for whom.
Unfortunately we don't have much science to help the situation. We have a Dana Riddle article that gives ratings for Vortech pumps but without flow ratings for external closed loop pumps we are still comparing apples to oranges.
I'm sure a poll would determine that powerheads are more popular, but as you mentioned it doesn't prove anything. I guess I have to go back to work then
