Actually Mark you are identical to me in height and weight (100kg was just a rounded off figure)... we are both perfect physical specimens in other words. I should listen carefully to everything you say from now on... I will go back and read every gem you have posted in the past too.
One thing I never understood was: Is bigger model of the same board optimised for a bigger sailor in the same wind, or an average sailor in less wind. Maybe that's another thread though...