This whole thing is just excellent and I wished it lasted for six hours! Certainly it is worth the price and you can get discounts online to print out or store in your mobile gadget. It is good to go and learn early on your trip, the knowledge makes everything better.
Skip the back seat unless you want to shoot some video footage to the rear. It is Good to See the drivers hand motions and pointing. You learn more and have a better overall educational experience.
You will see tons of the classic history type places as you journey all the cris-crossing streets in the city. Read ahead to learn a little about each place and you will really enjoy the ride even more. Here are some of the big ones that go way back in time: Key West Cemetery - Audubon House - Turtle Kraals - Butterfly Conservatory - Key West Lighthouse - West Martello Tower - Solares Hill - Eduardo H. Gato House - and the huge fenced in Truman Annex.
If you love historic architecture and they used the homes to catch rain water. Funny are the guides with lots of wit about adventure and history. This is better than the Key West walking tour, way more entertaining. The expert guided tours is a bargain and so is the other trolley bus style tour.