Quoting Zeitgeist <gruengeist@GMAIL.COM>:

> ...or, you could combine the best of both worlds.  Check out this Merc
> wagon
> with a turbo and supercharger.
>
> http://www.kolumbus.fi/valtonen.motorsport/
>
> Crazy Finns...
>
> Casey

Well, small current VWs use both exhaust & belt-driven superchargers on a
1.4-liter engine. Apparently with excellent performance.