Has anyone used the Walthers Cornerstone Series for 15mm? I was browse Amazon.com and found a large number of these that I thought would look great painted up for a post-apocalypic setting, but am unsure how they scale. I know some people like the HO Plasticville sets for 15mm (I like the Drive-In Dinner), but I was looking to see what else was out there. Anyone have experience with these?