Not a very practical bike but as an engineering exercise / piece of art it is perhaps the best I have ever seen. I have posted links to so-called cafe racers before (the usual remove-the-muguards-chop-the-subframe-brown-seat-exhaust-wrap type) with dodgy welding and suspect engines. But a supercharger? Silhouette tank? Impressive.
I would have pitched this as a track bike with a race fairing (given the raised motor in the frame and all that potential power) myself. Just to go down the pub seems a bit of a waste.