That's strange, I upgraded and I never had to give my old serial number, or prove any thing. I got a new serial number, manuals, tools card and two CD's (Content and Application). I can't weight to go home and play with it. I been checking out Amapi, it's weird but very cool and fast to model. I defiantly going to learn it to it's maximum potential. To bad that it doesn't run under OS X and I guess I will have to run it under classic, what is your experience if any on this Mark?