Although more expensive than the CAT or the bus, it has one major advantage, if you are on a tight schedule: you usually can make the driver do the drive to the hotel as a little sightseeing trip. Last time I was there - Imperial in January, with Mrs NARacer - this worked very well. We had a bit of time, and a little tip, made for a very enjoyable trip. Plus, you earn Points, if you bill it through the room.