I think most of these ideas are unnecessary. A VIP start area makes absolutely no sense, since basically you have to start the game before buying VIP. If you want to loiter in a place with a bunch of people, why would you need something new? Everyone is already at start park, why would they leave? VIP should not add any outstanding boosts, so the only two reasonable ideas are a VIP spar and shop, but even then who would go to the VIP spar, it'll just be another empty room.

My idea for VIP would probably be a VIP beach, which has a smaller chance of spawning crabs, higher chance of spawning shells, or both.