We booked the tour and enjoyed it. We wanted an overview, and this is a great way to get a taste of the city. We could off and on where we wanted. The trolleys came every 20 minutes and were on time. We did not have an issue finding seats. The drivers had great personalities and they provided a lot of information to us. The only thing I would I suggest is letting people know that if you can start in Old Town San Deigo, the parking is free. Otherwise, the parking can get expensive elsewhere in the city. If you park on the street, its limited to 2-hour increments. The maps the hand out are great, they give a brief summary of info on each of their stops.