Google Maps + Satellite is interesting, however... almost all of my state is blanked out, except two tiny slivers. Bleh.
But... while the "panning" part is fun, letting you explore other areas,
Terraserver still gets several orders of magnitude closer than Google can at the highest zoom. Take a look..
Here are two satellite images of my previous residence in South San Francisco, CA:
One using Terraserver and
one using Google Maps. Terraserver wins, hands-down.
See that pool? That's the pool I did laps in every night after work. See the round bit to the lower-right? That's the jacuzzi I used to relax in after the laps, burning off the stress of my workday. You can even see the door to my condo in the Terraserver version.
Google Maps definately has a great technology, but I wish their maps would get closer, and that they'd at least begin cataloging my section of the country (the Northeast).
Now if you
REALLY want to see some cool mapping, head on over to
Maps24 and poke around for awhile. Set up some driving directions and click around, its fully animated and really slick. They even
won a "Webby" award in 2004 for their technology.
Cool stuff.