Lou, I totally understand your "fears", and you are right about them. It will change how you view the balls, and it will change your PSR. I totally get that after so many years, you are very reluctant to do that. And, there wouldn't be a huge jump in gain for you at your level now. You already pocket balls pretty good. And, at your age, not many care to "start over".
All that means though, is that at this time, it's just not for you. For me, I found it enhanced my PSR and forced me to improve my mechanics.
ah, man, Neil. Now you're going to play the "at your age" card."
Lou Figueroa