Reading is fundamental.
I always try, test and assess any new brass as well as other components which enter into the US market. So your assumption about my lack of experience with Bertram is fallacious. This is my professional endeavor not just some weekend romp at the shooting range or buying a few pieces and shooting a few shots over a chronograph.
Bertram may very well have shown some signs of subtle improvements occasionally but for the vast majority of their production components lines, they are not worth what they charge.
This is from my original statement last night and I stand by it since I've seen dozens of these discussion before. It boils down to those who apparently want to like and support the product and those who do not like it and will not support it. There's no gray area in between. So this is where we stand now, divided in our choice. Everyone is entitled to their own choices and ideas. I was simply trying to add my experiences from 25 years of testing for the production of dozens and dozens of wildcats and modified cases. If it doesn't fit your viewpoint, simply push it aside and move on.
Enjoy the process!