yeah that article covers it. I think you can find some of the same info on GT if you search for it.
Glocks are cheap as heck and last a lifetime don't see any reason not to buy another one. Compared to the cost of ammo these days guns are quite cheap unless you get into some real fancy stuff. This applies to any sort of gun. When its 50 cents to a dollar a shot a 600 dollar gun is just a drop in the bucket IMHO. This is coming from a guy with no job for the last 2 years.
OD Green G-20 10mm/40sw
I sleep better in bear country with a 10mm under my pillow!