Steve Perry (no, not the singer) has written some of the best gun and martial arts scenes in genre fiction from the Tom Clancy's NetForce series (which he ghostwrote) to his Matador books and the latest The Musashi Flex. On his blog he just turned a very nice phrase on handgun stopping power:
For stopping power -- and let's avoid the long, drawn out argument between the jello-junkies and the morgue-monsters --