I have one, and I personally think it is awesome. Yes, it does put weight all the way across the boat, but that's just to get started... then load up a ton of other weight (sacs, lead, people, gas cans) to which ever side you need.
my setup:
Fat Seat 1250lbs (rear)
twin 350 sacs (stacked in bow hallway/walkway)
5-9 people (easily positioned wherever needed)
2 gal gas cans to put on whichever side for surfing