I've only had one since April, after nearly 4000 miles,(got the bike in March) and I've run over glass, rocks, potholes and grass. The one I got was a pinch flat from not paying attention and running off into the grass and hitting a drain pipe(bike was fine, wheels still true, but I got a pinch). Gatorskins may be a tad slower than some other tires, but at least I don't get punctures and slowed down from changing.

Now I will go sacrifice an old tire to the tire Gods so as not to press my luck.