I did personal extensive study while looking for the best all around platform to our personal defense. I tried to not be prejudiced and at the time price was not a problem. I depended on the tried and true 1911 for years, also the Model 39 Smith which I carried while traveling on motorcycle and vehicle. Glocks have always been ugly but many of my friends including LE types could go for hours about them. The first striker fired pistol I settled on was the first run of Springfield XD .45's, it was OK but didn't have what I was looking for, especially for my wife's hands and experience. I did not give the smaller caliber Springfields a chance, it was basically for me and I wanted a .45. Fast forward to my first HK experiment and my wife's introduction to firearms instruction from local people with experience and training. She came out of the class with "I like Glocks and Sigs." I had just bought an HK-P2000K for C.C. and let her take it to the range, that one went to her. She called it her little German sewing machine. I ended up trying an HK-USP-Tactical and the search was over. We ended up with my wife's favorite pistol being her HK-USP-Tactical with all of HK's box of tricks from funnel mag to suppressor, I suppressed the .45 as well. The Tacticals are large pistols and when HK came out with their HK-45C I gave one a whirl and loved it, it has an illuminated dot sight from Burris and a Streamlight weapons light, its my bedside pistol.
When I tried all of these firearms out I fired them upside down, sideways and just about every condition except under water. All of the HK's never disappointed.
A couple years ago since my wife's HK was in .40 I had purchased a large quantity of ammo for it along with other calibers that I bought on speculation during the first big ammo crunch which paid a significant return when sold to those unprepared for a lack of ammo. I had won an AR built by the women's side of our club "Well Armed Women". I have no use for an AR platform but decided to have a PDW built on its platform and ended up with a short barreled AR pistol with Sig brace and 8" barrel, I had it built in .40 due to large amount of ammo I had on hand. I had it built to use Glock mags and had a large quantity of 30 rnd mags literally given to me by a friend. This same friend sold me a Glock in .40 caliber with compensation cuts. First time I tried it I had to smile, ugly they may be but they do work well. So the Glock and the multitude of mags are in the same bug out bag as the PDW, if I ever let any of that stuff go it will be together as a kit. When I had the PDW built I had it threaded the same as my wife's HK .40 Tactical so it could use the same suppressor. The machinist had a hell of a time with those metric left hand threads, but he pulled it off. Thats my Glock story, I would stay with a Glock if I were you, a couple thousand cops cant be wrong. We have a range officer that was with LA PD back in the bad old days, then worked in Colorado and the firearm in his waistband is a Glock.
I never took the time to get used to the Glock like trigger on the XD and found the trigger mushy, once adapted to Glock's trigger I don't have a complaint. Its like anything, once you have a certain level of proficiency just about everything is liveable. The pistol trigger I like the best of all of our collection is the one in my HK-45C, it most closely resembles the trigger of the MK-23 which has the neatest reset without any modification I have ever experienced, double taps are second nature. If it weren't for the fact that MK-23's probably would classify as "crew served weapons" in some folk's book I would have one of those, the .45 Tactical is significantly lighter in weight and pocket book. If I were going to put thousands of rounds down the barrel and be in serious business all the time a MK-23 would be great, I also never gave the big Beretta and shot.
) because their bean-counting superiors told them they would.
Glock's aggressive marketing and "loss-leader" tactics are well documented, so I have little doubt that "follow the money" has often been a factor. 
