The Autism Research Institute has an online "autism treatment evaulation checklist" that is kind of a cool way to get a feeling for how your child is progressing.
I did an ATEC July 8 and Dominic's score was 93
I did one August 26 and it was down to 53
And I just did a third one, and we're down to 38
For this particular scoring chart, the higher the number, the more impaired the subject. So we're making good progress.