sorry to barge in on Jason's thread, but I've been wondering about my own symptoms (?) for awhile and it hadn't occured to me that you guys could probably tell me if this is anything. I have cramping in my legs and feet when I sit down. Also, rather than having constant numbness like my mother, I alternate between numbness and hypersensitivity in my skin. I'm seeing my neurologist in a couple weeks and if I could put a name to it or suggest treatment, that would help. Sometimes I blank when I'm trying to explain something to him.