Part of success is game rotation. You should also fully expect abuse to occur. Not knowing the size of the place, for arcades go classic ... like a 60-1. For pins look at the clientele and the expected age bracket. Kids have to be able to identify with ... like Simpsons or Family Guy. Maybe a racecar theme as little boys identify with cars. For the adults... drop in a couple fairly recent Stern titles. I have an OP friend that said black knight is not doing well. My .02