Markus Tarin, the president of MoviMed, who wrote the excellent "Vision to Innovate" machine vision case history that appeared in the April and May issues, as well as here:
http://www.controldesign.com/articles/2011/Vision1104.html?page=full
sent along this link to comments from an experienced machine vision pro who thought as much of the story as we did. And he knows way more about the technology than we do.
http://machinevision4users.blogspot.com/2011/05/high-speed-high-precision-gauging-by.html