We are taking a tour of the DDB after a midafternoon lunch/dinner. They'll be picking us up from the Excalibur, taking us to the Vegas Sign, then to the Fountains and then dropping us off at MGM. There'll be about 50-60 of us. I'm just wondering if 2 hours will be enough to get both those stops in and have a chance for everyone to get the pictures we want? Was thinking of booking for 3 hours, but think that might be too long. Any thoughts?