For my uses, the cell phone, money, and card functionality makes this case an essential part of my kit now. I can pop out my cell phone easily, and I can stow money in there instead of floating it around in a sandwich baggie.
Getting the Ranger loaded was an exercise in deciding what not to take, because you can take so much stuff! I was finally down to a tool kit, tube, mini-pump, my camera, my iPhone, and a rolled up Endura rain jacket. I hadn’t even touched the capacity of the main compartment.