Find N Go on the IPhone with MotionX and Bing maps
Search for a locale, and get directed there using Bing Maps on the iphone. This 2.99 app makes navigation pretty cost effective (that is, if you have already the sunk cost of an iphone)..
Heres a link to Chris Pendleton's post o the app:
http://www.bing.com/community/blogs/maps/archive/2009/09/25/iphone-navigation-with-motionx-and-bing-maps.aspx
