I may be wrong since I haven't used the unit much yet, but according to the manual on pages53-56, the Adr. book is a storage area for 300 registered locations that the user can define. Home Location, favorite location, previous destinations, etc. Aren't those POI's? Instead of being preloaded points from the database, you are copying them from the TeleAtlas disk to your own personalized POI's storage area. So the logical conclusion is that if the unit is capable of storing waypoints(poi's), and transfering them to a disk on your PC, then there has got to be a way to convert a generic poi file(