Maps R U.S.

Now here's something that I admire, being well into the multi-platform delivery thing; check out the calculators on a channel I developed, which you can subscribe to on AvantGo.
Google -- who else? -- has developed an easy to use map tool for those on the move in the U.S. and Canada: http://mobile.google.com/local. It's pretty well designed for the smaller interface in the bigger Apple, going to a really granular level and based on Google maps.