Even 14nm fabs exist: http://en.wikipedia.org/wiki/14_nanometer http://en.wikipedia.org/wiki/14_nanometer Vendors are pretty tight-lipped about yield, though,

Even 14nm fabs exist: http://en.wikipedia.org/wiki/14_nanometer http://en.wikipedia.org/wiki/14_nanometer Vendors are pretty tight-lipped about yield, though, and your other points stand as well, obviously.