I haven't used Precision molys, but a buddy of mine uses them... he seems happy. When he's shooting I don't notice excess smoke.
The only others I tried were the BBI, and I thought they were smokier than are the Bear Creeks.
I use TG with the Bear Creeks, and don't find them too smoky. I will eventually try a different powder (like WST/WSF) to see if I can even improve on that, but I still have most of an 8lb jug left. And as I mentioned, I do all my shooting outdoors these days and I don't even notice the smoke unless wind is blowing right in my face.
Ron M. ('59 is my birth year)