Over on Gizmos Grabowski, I describe how to install Google's Linux- and browser-based Chrome OS operating system on a computer — an ASUS 701 netbook, in this case.
Of course, the very next question is, "Does it run CAD?" It does, albeit it's cramped on the netbook's 7" screen.
I went to http://butterfly.autodesk.com to run Autodesk's Flash-based, installation-free version of AutoCAD. Because it is Flash-based, it runs in pretty much any Web browser on just about any operating system. (Must drive Microsoft batty!)
The figure below shows Project Butterfly version of AutoCAD running on the netbook and Google operating system:
