This is not a new article, posted Feb 2008, but is still worth reading. I don't use ArchiCAD, VectorWorks or Mac but the nature of BIM, the challenges for Software Vendors/Users and the varied technical approaches are similar whatever your platform. It's always interesting to hear another point of view.
Architosh: Features > Chatside with Sean Flaherty, CEO of Nemetschek North America
Back in the fall of last year I got on the phone with Sean Flaherty, CEO, of Nemetschek North America, to discuss his company's recent new release, VectorWorks 2008. What was expected to be 30 minutes turned into more than an hour of intense discussion about not just the newest version of the venerable VectorWorks CAD/BIM software, but a broad discussion about the nature of BIM itself, the opportunities for integration at the software level (both horizontal and vertical), and his parent company's (Nemetschek of Germany) decision to acquire rival Graphisoft, makers of ArchiCAD...
