Your son has a FSIQ of 150? Is that on the WISC IV? If so that is an incredibly, incredibly high FSIQ. It's no wonder he is so bored and can't fit in. I am no expert with child behavior and have no personal experience with a child like your son but here is an article about different personality types in gifted kids

http://www.davidsongifted.org/db/Articles_id_10114.aspx

He sounds like the "challenging" type. Have you considered applying to DYS? Has he taken any achievement tests like the Woodcock Johnson or the WIAT?