For a "car guy", it was an experience of a lifetime.
I've driven fast cars. I've owned a few really quick vehicles... nothing compares (and I do mean NOTHING) to the Tesla Model S. It's rated at 0-60 in 2.4 seconds, but it's really closer to 0-60 in OMG.
I don't think that feeling would ever get old. Sadly though, it was only a test drive and I did have to return the car.