what is your favorite brand of public/commercial charging stations for your Tesla S. and why? I'm putting one in at my hotel, Colony Hotel & Cabana Club, Delray Beach, FL
For a Tesla Model S the best charging source would be a Tesla High Power Wall Connector (HPWC) (assuming you are offering free charging). It offers the fastest charging time for a Model S with charging up to about 60 mph. It is also the least expensive to purchase.
Other public chargers are lucky to get 18 mph.
The problem with the Tesla HPWC is that it is proprietary and only Model Ss would be able to charger there.
I have used ChargePoint and ClipperCreek public chargers. The ClipperCreek is a dumb charger so it really is only good for free charging. The ChargePoint chargers are smart and allow instituting various fee structures, including free. They also offer a reservation service.
By the way, thank you for taking the initiative. I am the founder of the Florida Tesla Motors Club. We have over 110 members most have Teslas. If you notify me of your progress at firstname.lastname@example.org I will make a point of announcing the availability of the charger to our membership.