What I would love is a Google Map displayed at the top of my links page, mapping the location (and linking to the homepage and/or local anchor) of the various blogs, newspapers, etc. I have in my links. Geo data would managed either within WordPress' links admin (by repurposing a field like Notes perhaps and XFN) or through a separate custom admin.
Ideas? Anybody have this working? Seems like a good application of geo tagging, no?