Just my thoughts here....I have a 92G (government model), and that is one big, heavy chunk of metal to carry 9mm around in! Shoots great, accurate as all hell, but I enjoy my G26 for concealed carry (which means everyday).
Following link would give you more info on the first 3 Generations of Glocks (does not cover the 4th Gen, but think of RTF frames with interchangeable grip front and back straps....customize your Glock grip in a way not available on any other previous Generation of Glock!) http://www.flarms.com/forums/showthread.php?113-Glock-Serial-Numbers
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