Thanks Jason. However not really what I was looking for. Doing some more research I did find this out for anyone else looking:
On Windows, Dreamweaver site definitions are stored in the Windows Registry. It's unlikely that you'll be able to extract data from the Registry.
So back those site defs up regularly or suffer what has happened to me and have to spend time going thru the long website ownership confirmations/verifications with the hosting company.
But for those willing to try: