I never could understand the thinking behind the M9. They tried to replace what is arguably the finest combat handgun/cartridge combination of the 20th Century with a wonder 9. No surprise here that it just didn't work. I've heard all the arguments about interchangeable ammunition with allies, the 9mm being so much better at penetrating body armor, larger capacity magazines with lighter rounds, and all the rest. I've shot 9mm's, a LOT of them, dozens of brands and models. I owned a Beretta M92 for years. It's a great little round for shooting tin cans and paper targets, and, loaded with good hollow points, an almost passable self defense round if you can accept the "double tap" theory (I can't. To me, that's just another term for "spray and pray") but if I'm going to pin my life on a handgun, it's going to have to be one that I trust, and I just don't trust any 9mm loaded with FMJ ammunition.
Okay, my rant's over. Anyone who wants to tear into me, feel free.