If you look at the shots on the Wayne Lavorik links many are shot with wide angle lenses, my prefered lens on a Mamiya 645 when working with models is a 45mm which is equivalent to that 165mm on a 10x8. It's an enviromental style of portrait where you invlude the surroundings.

The 165mm SA's are great lenses, mine own came from a portrait photographer in New York along with a 10x8 camera.