Karen -
Your son sounds like mine, except yours is a whole 'nother level of giftedness beyond mine. I reccomend that you apply for the Young Scholar Program. I've found that be getting to know other kids that are somewhat "like my son" I can see my own son more clearly.
There are also lots of opportunities for playdates - if traveling is a possibility. Have you thought about early college? What do you do in the summers? As for suggestions for what to do with your son - what have you found so far that makes him happy?
As for diagnosis - after doing as much as you can for the SI, you may have to settle for the phrase asynchrouous development or "2Eish" as we moms sometimes say.
Love and More Love,
Trinity
