Did the downtown tour, hopping on and off. And the experience really does depend on which guide you have.
The first guide we had was absolutely brilliant, factual, funny and full the quirky “facts” too. ie :- stories of gators in the sewer type stories!
However our second, although knowledgeable, just didn’t seem to have that kind of sparkle.
So I say, although they are all very knowledgeable, if you want more than just facts told to you about the city your guide experience really will depend on your guide.