"The main reasons for my prices are that I will be useing the same profile beams front and rear for both our 4.3m cat as well as our 5m cat."

Hi Darryl
these boats you are building sound very intresting is the 5m going to be a optimised F16 if so I would love some info on it before I chop up this A-class. Make it a private message if you like.
regards
Gary.