Lets pick a hard wing cat which is a baby America's Cup machine.... Yeah... that will be cool!
Actually would probably be the cheapest option in the long term with sail costs pretty minimal over a long period of time and all Carbon boats standing up to the practice shedule.
Hey whats wrong with mixed crews, we just have never had boats suitable for mixed crews before with the boats available being far to physically demanding for the girls ( F18 ) or to woosey for the boys, the F16's and the Viper seem to fill that gap pretty well.