Actually, Specialized is a client of Wheel Energy Laboratories, so they do have qualitative data, although perhaps none that they're willing to share, or for that particular variant of Armadillo.

See stories here, http://www.bikeradar.com/gear/articl...e-myths-29245/ and here, http://www.cyclingnews.com/features/...f-wheel-energy. Also on page 62 of the February 2011 issue of Peloton Magazine.