User activity

Is there a way to set/change the default setting for the Object tool and other "complex library elements"? I would REALY like to change the default green (no. 4) Contour pen and the Background pen from 19 to (0) Transparent. I would also like to turn...
I am interested in a serious, professional (open)BIM solution for roadway, railway... design. It should be a serious software (like ARCHICAD), not an AutoCAD add-on or derivate (than it is not really BIM) that is able to communicate on high level (IF...
Anyone with experience in transferring a model to ETABS? http://www.graphisoft.com/support/archicad/downloads/AC-ETABS/ was not much help. I NEEEEED some pointers! How to prepare the model in Archicad? Is dxf or IFC the best? How to set up the option...