Hello all, I may have the opportunity to be the photographer for a relatively large sporting event in my community. The event will last over 5 days and a lot of the shooting will take place in indoor (dim) lighting. My current gear setup is in my sig. I know that this is not adequate for what I want to do. I am thinking that I would need a backup body, 2 flashes, 20-700 f/2.8 IS, 85 ...