To be honest Dufus, from what I know, it doesn't seem you've had enough tests to say with relative certainty that you're hypo. Like bobv says, you need a clearer picture of where your Free T levels are, and possibly whether you have thyroid antibodies.
The immediate risk of too much thyroxine is heart attack or stroke, and the long-term risk is osteoporosis. I think, if I were you, I'd want more proof before I kept taking the med.
"We can complain because rose bushes have thorns, or rejoice because thorn bushes have roses." Abraham Lincoln