Since we're on the topic of cache ratings (ok, loosely on the topic), here is a great site to use when determining cache difficulty for ones there might be a question for...

http://www.clayjar.com/gcrs/

I used it for my recently placed Lime Creek Cache, and it gave a rating of 3/4 I believe, which I thought appropriate considering the area.

Use of the rating system is unncecessary for most urban, non-puzzle caches, but it is a good tool to use.

Brian
Team A.I.