I can only echo that. A single can be "much better" than one other depending upon the conditions. Usually, the 9mm has my vote And that i individual a lot more 9mm handguns than .40S&W. My two PPCs will also be 9mm (Sub2000 & CX4). Having said that, I do similar to the 40 S&W a great deal and just bought a Beretta APX that I really like.My father f