Has anyone ever owned/built a Ruger Vaquero (or other single action) with an adjustable rear sight? Yes, I realize that I could just buy a Blachawk, but I like the look of the rounder frame and front sight much better on a "traditional" looking single action (and I like custom guns). Plus, I have a couple gunsmith freinds with lots of expensive macines! mabe a S&W rear sight milled into the top strap? I know that a few comanies made lots of money doing Colt conversions many years ago......anyone got any pictures? Or how about pictures of a Blackhawk with the frame rounded?