I actually was using it a short while before it was generally available, is has worked as advertised or a little better for me. The only draw back is the price, it is very expensive, I am one of those who believes that it only cost as much as normal smokeless to make and that we are being had. The problem is there is no competition to adjust the market, the corrosive powders is some thing a lot of us would like to get away from and the nearest thing to competition is 777 and those of us that get bad crud ring are not going to scrub for 5 minutes every shot to get the crud ring out when we have a powder available that we can shoot all day with and clean when we get home.
Beyond that aspect there is an other for some of us. I dearly love to shoot for group and shoot competition for many year's and when I found that my groups I was fighting with to get down to an inch suddenly started to get down to a half inch when I used BH209, well you could not pay me enough to go back to 777.
There seems to be a lot of people who disagree about this and I have wondered if it is because they are limited more by how well they can shoot or not having tweaked their guns or load. Half inch groups do not come with any regularity by accident.
The best advice I can give is to try it and compare what it does for you to what you got out of the powder you are now using.