I have unique in the stable. I didn't really care for unique, it seemed dirty in the calibers I tried it in. It didn't measure all that well being a flake powder. But I still keep a couple #s, or so, around....because its,,,,,,,Unique!
I'm inheriting a can of older Unique from my shooting buddy that passed. Not sure what I will use it in. I tried it many years ago and found it to be a dirty powder. Some people I know only used two powders... Unique and Bullseye. And I've read that the newer formulations are cleaner.