We have used A&A since 2000, and would never use anyone else. They have taken us out for dinner, on a "Stag Party", and to and from the airport countless times. If the driver thinks he's going to be even a minute late you'll get a call letting you know what is happening, but it's only happened once in all these years.
The drivers are professional, courteous, and an incredibly welcome sight when you're 8 hours jet lagged and just want to get home. I cannot recommend them highly enough.
Pros: Utterly reliable, reasonably priced, very punctual.