Norgips are plasterboard manufacturers and supply a full range of plasterboards as well as complete drywall systems. As a vast amount of plasterboard stud walls feature timber studs, I would have thought they would acknowledge this and helpfully feature a timber stud option in their object but hey ho!
The other thread I was talking about was:
http://archicad-talk.graphisoft.com/viewtopic.php?t=19077&highlight=
Although, my intended comments appear to be way out of date as the answer can be found here:
http://dedicated-cad.ie/archicad/archicad_tip028.html
The thread had just not been updated!
Paul Griggs BSc (Hons) MCIAT MCIOB
Chartered Architectural Technologist
AC23, i5 3570K Processor, 16gb RAM, NVidia 570GTX Graphics Card, 250gb SSD Drive