Now that I've gone back to the GI3-S ball, I'm finding it's properties are different to what I was used to before trying the Callaway. Pre-Callaway, I could stop the ball when putting on full backspin, not all the time because it depended on the green to some extent, but enough times to notice. Now, ALWAYS jumps forward and rolls. Admittedly, I have played most of my recent games at Oakmont, almost exclusively the wk6 9-hole unlimited comp because I knew that I could better my score of 33 and get into a good position. Maybe when I go back to the other courses it may be different. Can but hope.