I know a lot of the folks here have either had Glocks before, still have 'em and eventhough you have a Steyr, which I also have as well, an M9, I'd like to consider purchasing a Glock. Like many others, I have an assortment of calibers, pistols, wheel guns, you name it. I came back to 9mm and thoroughly enjoy the M9 along with my Kahr PM9 DLC. I CCW both pistols. I narrowed the Glock down to a choice of two models: the G19 and the G30. As many of you know, the G19 is for many, the flagship of CCW and self defense for Glock pistols. The G30 is the .45ACP equivalent...to many. Both pistols fit my hand well though the G19 is a little slimmer in both the slide and grip. This is a little better for gripping the pistol and CCW. What are your recommendation? Stay with the 9mm or go to the .45ACP? Is the G19 redundency for the M9 that I have? Or is the G30 a must have for the caliber? Feel free to share your thoughts, experiences and positives and negatives. I'll be keeping this Glock for many years to come. Thanks in advance.