Hi there.. I am riding actually Naish Charger 2010, ( 13 and 7 m2).. They are lovely kites, superb contruction, big depower and a very soft bar pressure.. The point is they offer me a set of Cabrinha Convert 2011.. ( 11 and 7 m2 ,).. Somebody who rode both, can tell me if there are some big diferenc...