Gurjon indeed made some excellent skins for IGO 8 and 8.3. GJ6.18 and some variants still can be found on the net.

Driver alerts (da alerts) are not functional on 8.3.2, DA were introduced later with 8.3.4 and are Navteq/HERE maps exclusively feature
8.3.2 showed 3D views of buildings, area relief and other objects for the first time.
Global.cfg is a Primo only file.