Nice concept. The MCC want to restrict edge and spine size; and like you say the weight has to go somewhere. With bats have to be made solely of wood you're not going to have ballast on the back, if you're a 3lb 2oz user, like Chris Gayle. It's just going to result in profiles like this.
Put a cleft in the machine mate and see what it's like in the flesh!
Already done it....