There are plenty of other guns just as reliable if not more so that fit my hands better. I personally do not care for the look, feel of Glock. I have also found that their boxy structure makes them more uncomfortable for me to carry, even compared to HK which is pretty boxy as well, I have used great holsters with both, but I sold my Glock as it was just not a good fit for me. I am also part of the group that likes a traditional safety, but to each his own.
One thing is for sure, the glock will go bang every time, just like Sig, HK, or some of the other fine pistols, but the glock is much less expensive. so if you can deal with the boxy shape and if its comfortable in your hands or you just dont want to spend much but still want a reliable gun, the Glock should work for you.