I've heard good things about Power Pistol so I'm going to give it a try whenever I can find more load data. The Alliant Guide is more a Hint than a Guide but Speer shows a few for 44s and 45s which is mostly what I shoot in Ruger single actions, 850 to 1200 fps. Also want to see if it can be put to use in 44-40 and 38-40, pistol loads using cast.