I am able to only echo that. One may be "superior" than another depending upon the conditions. Commonly, the 9mm has my vote and I personal extra 9mm handguns than .40S&W. My two PPCs will also be 9mm (Sub2000 & CX4). That said, I do like the forty S&W plenty and just purchased a Beretta APX that I really like.Invest in $150 really worth and obtain