I’ve seen both of these sites mentioned in numerous newsletters, so I figured I’d pass them along. I haven’t relaly followed any of the links or downloaded anything from either site, but they do look interesting.
Google Earth Hacks
http://www.googleearthhacks.com/
Welcome to Google Earth Hacks! We offer lots of great information for you, as well as a growing collection of downloads to use with your copy of Google Earth.
Google Maps Mania
http://googlemapsmania.blogspot.com/
An unofficial Google Maps blog tracking the websites, ideas and tools being influenced by Google Maps.