Just to add fuel to the fire:
Several years back, a web site, (now lost to memory but I'll look again), kept track of "stops" in shootings. Interestingly enough, the highest percentage, i.e. greatest stopping power, were the 357 Magnum w/ 125 gr JHP and the .40 S&W auto. They surpassed even the 45 ACP and .44 Magnum. As everyone seems to agree, the 9X19 was not particularly impressive.
One other reason given for the US military's conversion to 9mm was to comply with NATO standards.
Opinions are nice, but numbers count.

"There is nothing so frightening as ignorance in action."