Southern Elegance gets our vote, too!
Used them for the first time in early March -- absolutely wonderful from the booking, to the confirmation emails, returned calls, friendly/helpful drivers, spotless limo, iced drinks of our choice, free 15-minute convenience store stop on the way, Disney DVDs to choose from on the ride to the Port.....it was the best! We had two different locations prior to the cruise and they were always there on time (actually early).
After bad experiences with two other well-known limo services we used in the past (dirty limo, no drinks, A/C wasn't working, etc.), I found Southern Elegance. We will only use them from now on.
They are an increasingly rare company in today's over-promised world.....they provide exactly what they say they will provide! And they do it with grace and class!