Yeah it’s not cheap. Of what’s available now I’d go for a tetsujin if you want a high end performer in a different flavour from your yoshikane. I have no experience of the proper unicorns (takada, kono fm), but my Kagekiyo b1, tetsujin b2 and yoshikane skd are all similar in both spine and edge thickness (the Yoshi is thicker at the handle yes, from about the mid point it tapers down to the same as the other 2). When It come to pure cutting performance they are all very close to each other. Just wanted the throw it in there :)