The heretic motorcycle by Ecosse Moto Works costs $160k and is exquisite in its nakedness. I'd go for lower profile exhaust though. They only made a hundred, a good thing I think because it's a beautiful thing to be virtually one of a kind.
Ducati does the monster one better with the Hypermotard: minimal frame, red, single side swing arm, and pipes tucked up under its tail. Too bad its a concept