Frankly, since I got back from DC, I haven't needed a lot of directions to places, and everyone was just jabbering about how cool the technology was, and I only have so much tolerance for such things for their own sake.
Yeah, I know that's surprising.
Anyway, I have to admit that I am impressed with things people are doing with Google Maps, especially since they put the sattelite images up.
One very interesting post, regarding the Rio Grande is here.