copilot 8 (laptop version)
-live tracking if you have internet
delorme street atlas 2006
-add your own routable roads
microsoft streets & trips 2006
-can be had for $25 or less retail
iNav iGuidance 2.1.1
-best simple interface (highly praised for us carputer use,europe now available)
-free, requires internet, uses google maps, useful for vehicle tracking

hope these help