I am in the process of buying a 16sq and the defnitley have a dacron pin head sail. The class is fairly popular over here with the single person sailors. What made me so keen on this craft was the fact that I don't have to chase a crew. A number of these craft are racing with a kite set up. I am keen to learn any tricks to getting the best out of them tho....so if anyone has any ideas I would be very grateful