I bought one of the first 718's available, though not on purpose. I was shopping for a used Boxster but the 718 looks so much better and it's so much faster, it was very hard to resist. I have a base model with "only" about 20K in options - PDK, wheels, nav, lighting upgrades, and the premium package. The purchasing experience at Sunset Imports was very pleasant and quite easy. I've driven it about 1000 miles so far so it's not even broken in yet, but this is easily the best car I've ever had the pleasure of driving.
(Update) I've now had the car for most of a year, and have joined the local chapter of the Porsche Club. The 718 continues to delight me, even when it's sitting in the garage waiting for the snow to melt. It's rock solid, with no issues or trouble at all, and a pure joy to drive. I've taken it on several long road trips and find that it gets better gas mileage the faster you go. Who would have guessed? :) I can't recommend this car enough. Drive one and you'll see.
This is my third Porsche and this one is the best. Performance and road handling are better than a new corvette and $20k less. Fuel economy is better than the 13 model. I test drove the new corvette, the BMW, and the Porsche was much better on ride comfort, controls, handling. We use this vehicle on long trips due to not only being fun to drive, but the fuel economy and comfort are the most important to us. The local service from Porsche is first rate compared to other dealers autos (corvette dealer is terrible). If you buy a Porsche you won't be disappointed.