You can create, edit or administrate more POI date bases with the help of free program iGO POI Explorer. This allows you to combine more categories of points of interest. The applications is installed on your PC requiring  .Net Framework 2.0.
The steps for POI installing on your GPS:
1. Connect the SD card on your PC by a card reader.
2. Creat a substitute copy for igo.db file from the MobileNavigator folder.
3. Copy igo.db file in a work folder (ex.: desktop).
4. Download the files with the points of interest that you want from Evolio.ro, POI section. These have .asc format.
5. Import (Ctrl+F) the .asc files in POI Explorer. This will generate automatically a new igo.db file.
6. Export (Ctrl+D) the new igo.db file in work folder.
7. Copy the new igo.db file from the work folder from SD card in MobileNavigator folder, replacing the old one.

NOTE!!! - the downloaded points of interest will be in GPS in personal POI category.