Very Interesting - Since you're here on Slashdot, I'm going to go ahead and assume you're as geeky as the rest of us... ;)
This article a while ago in Wired (http://www.wired.com/wired/archive/9.12/aspergers_pr.html) has some interesting details on how in the Silicon Valley area, the number of Autistic kids is higher than the national average, and how that may co relate to a particular mutation in the techie crowd...
I dismissed it as an interesting piece of circumstantial evidence until just the other day. I live in Canada, in RIM country - in recent years a great number of tech and science companies have brought their operations up here, including Google and McAfee to name very few. At any rate, my daughter told me she had an altercation with a specialist teacher who commented on her wardrobe ;) - when asked what she meant by specialist teacher, she told me she was from the Autism Program at her school. They had to separate the Special Programs into two to deal with the surge of Autistic kids in the region ...
A recent study by the CDC showed "that about 5.6 per 1,000 children aged 4-17 years had a parent-reported autism diagnosis." (http://www.medscape.com/viewarticle/531797)
There are 12 kids in the program, for a school population of 1500. (about a 42% increase over the average) There are similar programs in most of the schools in the region....
One could take this circumstancial evidence and form a hypothesis that, if they could isolate the differences in your two sons DNA, and then figure out the base pairs in you and your partner that this coding came from, they could be able to identify the conditions under which autism is more likely to occur...