I saw a lot of it, and met Butch, at the NBRSA benchrest group nationals this fall. I use it. I like it better than Shooter's Choice. Very good on copper fouling, and safe to leave in your barrel.
However... If I were shooting handgun, I'd probably go with a 50/50 mix of SC or Butch's and Kroil. For a shotgun, with problems from plastic wadding and powder fouling more than anything else, I'd stick with Ed's Red.