I've always been a soap-and-water guy, but bottles of Butch's come with Lymans (or at least they did, up until the last I bought). Each time I've used up most of the bottle before migrating back to water.
Nothing scientific, but just saw no improvement in cleaning or ease of use that justified it. Kind of like a decaf, nonfat, sugar-free latte. In Seattle you'll see those on the menu. They call them a Why Bother. :rotf: