Friendly and helpful. I wish I'd done this as the first thing I did when I hit town so that I would know what to look for and why certain landmarks are important, which is the thing I really like to know since I'm too busy to do research before I travel. I had totally forgotten about all the things I wanted to check out in Austin, like the bats under the bridge and South Congress. We went during the heat wave but still insisted on being on the top deck and it was fun, as our tour guide stood up there to give the tour so we could see her as well as hear her on the mic. They also have ice water and sunscreen on board if you need it, so they are very considerate that way. When you go to the Austin Visitors Center, ask them where the tour meets outside and they'll tell you where to meet, since they don't meet inside the Center. The Help desk employee made sure to give me the brochure with the list of places where we'll stop in case we want to return after our tour, which was very helpful. There is Garage and Lot Parking, as well as street parking in the area, but it was a little sketchy because of the homeless characters who wander the street, so we made sure to use the garage, which was a bargain.