Better mail DNC that you want to join the ArchiCAD-University then?
Lightworks is used in many different programs, so you might be tempted to check them out and see what this rendering engine can do. I'd like to add that by looking at the Lightworks site, you might notice that it contains many different modules and (as each module would cost) it is not certain that every single Lightworks feature might be supported in all applications that use the Lightworks engine.
From different 3D-software reviews I often read remarks that Lightworks is an aging engine, but also that it has appealing features (radiosity, raytracing, realtime shader support, RPC support, procedural shaders for accurate realworld lighting etc...). But being available cross platform will/would make it a good candidate for ArchiCAD. That was one of my early wishlist items.
Once they start presenting ArchiCAD 9 officially (which will probably happen at ACUE, so it seems), you will have an answer (at least partial) to your questions. In the meantime, patience!
--- stefan boeykens --- bim-expert-architect-engineer-musician ---
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