One of my favorite GPS applications, Mapopolis, has closed shop as of April 2007. The current customers who purchased a map pack will still be able to access their maps till their subscription expires.
Mapopolis was a great navigation/mapping app for Pocket PC and Smartphone devices, very robust, takes little of resources and worked just great. Time to move on and look for a decent alternative. I hate the fact that most other gps navigation apps are bloated, takes too long to start and takes too much space.
Here is a detailed thread on the subject of Mapopolis closing