I own both a 9'6'' Mctavish and a Coreban 9'0'' Fusion in the Pure construction:
They both have the same amount of volume, but the Coreban paddles better, is more stable and is a way better board for surfing imo.
I bought the Coreban since I wasn't happy with the characteristics of the McT.
here's a vid I made a few weeks ago, riding the Coreban