The paper on the 2007 Randomized Controlled Study of FaceSay has successfully completed the peer review process at the Journal of Autism and Developmental Disorders (see the online version).  Here's a quick excerpt from the abstract

"The children with LFA demonstrated improvements in two areas of the intervention: emotion recognition and social interactions. The children with HFA demonstrated improvements in all three areas: facial recognition, emotion recognition, and social interactions. These findings, particularly the measured improvements to social interactions in a natural environment, are encouraging"