TomTom Custom POI Databases
Club TomTom has posted information about how to install custom POI databases.
All TomTom GO units come pre-installed with millions of Points of Interest (POIs) but why limit yourself to just those? There are many other POIs that can be added and the list keeps growing as TomTom and other online communities update their POI databases.
If you are looking for custom USA POI databases, give these a try:
Hopefully there will be many more custom POI databases for the US soon as the TomTom products become more popular here.