Turns out Google Earth is quite extensible. I've added a link to the bottom of the Local search results (look for the "See it on Google Earth" link, right below the "Nearest blogs" listing) which will, if you have Google Earth installed, magically whisk you away to a mapping of all the blogs in your location. Thanks to Geobloggers for the inspiration.

Here's a snapshot of Blogdigger Local data from New York on Google Earth:

What's nice about Google Earth is you can import multiple files and view them on the same map, turn them on or off, etc. It's really, really awesome.