Unique is what I use most, 2nd would be Red Dot. I have a LOT of each and they work well for most of my handgun shooting. You can buy an 8 lb keg of Unique and shoot forever.
I got into reloading shotshells before metallic cartridges so the faster burning Hercules powders such as Unique, Red Dot and Green Dot where already on hand when I started loading 44 Magnum a few years later. It just made sense to use them for lower power loads for the big revolver. So much more so for the lower pressure 38 Special and 45 Colt.
Back when I was shooting a lot of full power 44 Magnum, I used H110.