You are only allowed to go from Windsurfer to A-class cats if you are over 40. I did that, partly because of too many sprained fingers for windsurfing, so my almost new Ultracat is still hanging in the garage.
A cats are like Formula 1 race cars, and climb to weather like angels. I say they are more fun than big, heavy cats. My back says "Thank you very much" every time I lift and move one by myself. They are tough and very managable up to 20 knots of wind. But A-cats do not like thunderstorm winds, and are NOT cast-iron Hobie 16s. They are not built for the surfline even tho they surf great in swells.
I'm not going back.

A-class: US 196, US 21

Dacarls:
A-class USA 196, USA 21, H18, H16
"Nothing that's any good works by itself. You got to make the damn thing work"- Thomas Edison