Nokia Beta Labs have updated the Nokia Maps Downloader to Version 2.0, which will allow you to download all required maps as normal, but also allows you to purchase navigation and city guides directly online rather than through the Nokia Maps application on your mobile.
Check out the full story over on the Nokia Beta Labs blog:
http://betalabs.nokia.com/blog/tag/map-loader/
[...] All About Symbian – Nokia Maps Loader 2.0, includes show for extra$, also on Nokia Addict [...]