Given the choice (and the ability to run), I think it'd be nice to go out the front door, run a mile or two each each day down a wooded trail to a different cache at a waterfall, ocean view, scenic vista, or the like. I can't imagine many people would rather do the same run to a LPC behind Wal-Mart.

But, given the fact that very few people if any live in a house where they are within a few miles of hundreds of spectacular scenic places, I am sure it is nice to have the PNGs to use as a goal.

However, when you are out driving around to see some new spots you would have not known about otherwise and get some caches, stopping every 529 feet to log a cache gets old quick for some people. As I have quoted many times variety is key.