Considering both can have the weight adjusted quite easily, I don't think one being more forward/rear weighted is a good reason to pick one over the other, unless you need it to be particularly forward balanced.
It's largely going to come down to the shaft - the BK3 shaft is what you get with Predator, but there's a bit of head scratching to do in the Mezz camp - Deep Impact I, DI II (stock with the Kai), Pro R, Pro H.
The DI II plays closest to the BK3 shaft in that it's not quite as stiff as the Pros; a bit whippier.