Pros: Booked an economy sedan, but when we got there, the desk agent asked whether we'd like a convertible VW bug instead for the same price. It was a fun ride up through TN and VA to Washington, DC, in our tomato-soup red bug!
Cons: Perhaps because it had just come in, the car wasn't cleaned before we got it. The previous renter had obviously taken it to the beach, because there was sand on the floors, in the seat crevices, in the glove box, etc. Also, it would have been handy to have a copy of the car manual, as we had to figure out for ourselves which buttons worked the convertible roof and such. Finally, it was disappointing that the car had no USB ports, so we had no good way to listen to our devices or keep them charged during a 10-hour ride.