After years with & many examples of the 3rd and 4th gen Glocks I have discovered the joys of the 2nd generation. Namely in the form of a Gen 2 Glock 19 in very good plus to excellent condition. The Glock factory is a short drive from here and they know me well there. I was considering making my usual trip to see the armorers with a used Glock purchase, but I started wondering if taking this 19 to have what would most likely be a thorough refurbishment, would reduce the value of the gun. I gotst a feeling I have several 2nd gen Glocks in my future. After I immerse myself in a particular gun experience, I usually sell of off a couple and get the collection down to the favorites, so I don't wanna adversely affect the value of this gun by having it monkeyed with too much. So what say ye? Will the factory upgrade affect the value of the gun? Should I have the Glock armorers do their thing and upgrade the gun or should I just leave it be?