Sailed the 2012 6.6 Koncept on the weekend, its just got better again!
Wind was not much more than 16-18 knots E' at the Pit on Sunday arvo, would normally run the 7.5 or 8.5 to be really powered. I had peaks around 30-31, 10 sec's were b/n 28-30, very efficient power on tap.
Read about Koncept and the entire 2012 Ka range @
www.kasailwindsurfing.com/en/