I agree with the above answer. We did Mears as a family our first trip down. It wasn't horrible but getting a towncar was so much better. It is pretty much the smae amount of money and a towncar meets you at the airport, helps with luggage and then it is straight on to your resort in about 30 mins.
If a towncar isn't an option that Mears will do. Just don't be in a big hurry to get there!