Dave, I agree about the boards... I sailed Chris Brown's DNA and wow... what a ride.... It was on par with my Tornado.

YMMV but the " the sometimes lack of stability.. getting too much lift off the boards.." is not what you want for the Olympics. You have 10 hour long races... I want the random chance factor to go to zero as best as possible. One "sometime lack of stability" is not the standard for an Olympic boat. One unlucky wave should not determine a medal.
Sure, everyone deals with the same boat... but the boat should at least match the Tornado with respect to the luck factor.

I agree, there was a major shift in technology and the bottom line is that boat is not right. (eg... "sometime lack of stability" ) the question is... why has the boat not been modified to get it right....ISAF did this with the Bethwaite 49ner. Why not the Nacra 17.