Who makes the best retro machines?

Retro machines are all the rage right now. Bikes like the Ducati Scrambler, Triumph Thruxton and BMW R nineT are impressing everyone who rides them and flying out of showrooms.

To celebrate the popularity of retro bikes we will have a free 20-page retro supplement in the July 19 issue of MCN, but which manufacturer is the king of the retro scene?