I would use the Starboard Go if I were you. Bic boards suck and besides the Go is marketed towards intermediates so I guess its the better performer overall. Don't let few numbers guide you, there is so much that they don't tell, like rail sharpness ; tail rocker , volume and width; planing flat, V and concaves or lack of them etc etc.
Meanwhile I thought about how to better explain what you are doing wrong and how you should do it instead and finally realized that there are two types of Wheelies-the back wheel one / the one that you are doing/ which is the wrong one for both the planing attempts and beach starts and there is the front wheel Wheelie-the one that you should be imagining doing:
You are pulling the boom towards yourself depowering it and weighing down the tail in the process. The nose goes up, the board turns against the wind , stalls and is game over or you fall backwards or both. The right action is to PUSH down on the boom to unweigh your legs- mast foot pressure and you can move your feet back and in the starps.
The beach start looks more like a fence climbing then front wheel Wheelie though-you are pulling yourself up and trying to keep the rig upright instead of pulling it towards yourself.
The best clue that you are on the right path is when you start to get catapulted, then you'll only have to learn to stay low and open the sail when you get on the board by the beach start and moving back and staying low again by the planing attempt.