Allliant Sport Pistol
When Alliant issues a new powder they have a way of hiding their own competing powder's load information as a marketing ploy. When BE86 came out Green Dot and Herco data disappeared. The older published data, going back 30 years (1990's) is still fine and Alliant will even send it to you on request. The old loads can be found:
http://www.castpics.net/LoadData/Freebies/RM/Alliant.html
My experiences with Alliant powders, (Bullseye, Power Pistol, Unique, Bluedot), even new ones, has always been good. I would say they have a handle on what they are selling. Sure, Bullseye is antique, and Power Pistol has muzzle flash, thus they introduced BE86.
As to what Alliant Sport Pistol is best at, when I see load data I like, I will consider buying it. I just looked up their load data for 40SW heavies, and its velocities way lower than I personally want. For target loads I will just dial back some.