Awesome, looks like a great setup. What is between the prep stove and the ice machine, under the hanging pots?
As for the freezer...ice cream? Stash bins of ice if your ice machine starts sucking wind in the middle of July? If you get whole animals you can freeze parts and use them as you need, especially smaller parts you might want to save up to have enough of to run a special with. We save all of our scraps from butchering steaks, ducks, etc; freeze em, then when we have enough grind them up and making sausages or burgers with them. Every time you break down a salmon, scrape the extra meat off the spine, freeze it, save it until you have enough to make salmon cakes. Even if you just use it for staff meal it won't cost you anything.