Longtime AutoCAD user Robert Grandmaison has snapped, I think. I noticed on Robin Capper's blog RobiNZ CAD Blog the "The Flying Spaghetti Monster meets Freewheel". Pretty amusing but shows about anything 2D or 3D can be hosted in Autodesk Freewheel straight from AutoCAD and many other Autodesk products with nothing for anyone to install to view your files.
Cheers,
Shaan