We used Florida Town Car.
Getting picked up every every other car service was at the bottom of where you come out with name plates, not one with our name on it. I had to call and find out he was standing in a totally different spot. OK found him, we get in the car and my DH was sure he was on somehting, he was all over the road. We're discussing the pick up the next week, our flight home is 3:20 - he wants to pick us up at 10:30 in the morning... no way.... keeps telling us we'll have to leave that early becuase of traffic.. In the end we told him, that no way did we want to be picked up before 12:00 and if he didn't want to do it, we'd cancel the return trip. We are sure they pushed us up to pick us up so early becuase they had other people to pick up and drop off and that time worked best for them.
The reason we used a town car was because the only reasonable air I could get was out of Allentown Penna. (we live in NYC). It was still OK as we have family there so it did work out for us to drive there, leave our car with family and have family drop us off and then pick us up at the airport in PA. Originally I thought we'd be flying into Orlando and we'd use Magic Express so I never thought to rent a car. Because it was so late I couldn't get a cheap rent a car and while it was cheaper (slightly) to pay the $180 for a towncar, the stress of wondering if they were going to show to pick us up to bring us back to the airport and what time they were really going to show really turned us off. From now on my DH said, we'll pay whatver price it is to rent a car and not have to deal with a 3rd party.