The Koston 1 and Koston 2 were/are both phenomenal skate shoes. The K2 wasn't as popular with a lot of people because of the look and extremely tight fit, but that said, the fit is what made it so great IMO. The heel lock in the K2 is second to none. Anyway, my point is Koston designs his shoes with a lot of attention to fit, shape, and skateability so my guess is this K3 is a really good skate shoe.
I'm definitely down to skate it but that $150 price tag is bumming me out.