While I was still getting my "big bike" licence, I had the Viffer as my screen saver - I love the look (especially that deep lustre red), shaft, .... and I was seriously considering the auto/electronic clutch..... until I rode it. It just wan't comfortable.
I reckon it could give anything a whipping in terms of power - what a beast! - but a tourer it ain't. Small tank, fixed wind-shield, small panniers, small rear seat, cramped leg position.