A hearty recommendation for you all...
I used Muc-Off products on my beloved mountain bikes my whole life. They're very good, and cheaper than the competition. Now they have a full range of car products, and I'd run out of polish so I bought their split-second detialing wax spray.
Wash the car and leave it wet, shake the bottle, spray a mist, wipe it off, then buff it dry. Nice and simple, much quicker than the tradition methods. The results are really quite something - just this wax (on my car which was barely heading water by this point) has left the car with a wet look shine that is lovely as can be.
I'll post a photo later when I'm home, but it you look at photos on their site they're not in any way exaggerating the results.
http://muc-off.com/en/15-carI fully recommend this product, and can only assume their others live up to the standard.