Sometimes you sit in a machine that makes such sense and drives so well you emerge from taking it out for a spin looking like Stephen Baldwin watching America's Funniest Home Videos. The Porsche 718 Boxster S is a fine example. From the first burble-filled ignition of that solid retro sounding engine, to the pinpoint precision with which you can dive into the corners at high speed and emerge unscathed, this traditionally entry-level Porsche has blossomed from runt to pedigree.