Dago - did they switch for reasons of reliability, or for the increase in "firepower" (number of rounds carried)?
I love my revolvers, but for CCW have carried autos for the last 14 years because they are flatter, easier to conceal, and carry more rounds. I own 3 Glock 9mm's (26, 19, and 17) and have never had a jam in any of them with factory ammo. In fact, the only problem with any of them was on the little 26 - the adjustable plastic sight that came with the weapon came loose. Replaced it with steel Trijicon night sights, and problem was permanently solved.
While everybody seems to think auto's are prone to jamming, I've also experienced it in revolvers - bullets coming forward out of the case mouth and locking up the cylinder, high primers sticking up and resulting in the same problem, cases getting stuck in the cylinder and difficult to eject, cylinder base pin coming usncrewed making it impossible to close the cylinder, etc.
In the end you need to carry what YOU feel comfortable and confident with, be it revolver or auto.