Nanotechnology Update

This isn't actually nanotech, but it's today's crude ability that gives a hint what real nanotech home factories will be capable of doing:

http://www.technologyreview.com/Infotech/21152/?a=f

Just instead of relatively simple polymer objects, you could construct pretty much ANY object you might want, from a laptop computer to a robot to a vehicle (in manageable pieces, of course).