Answered
About six weeeks ago I purchased Acrobat 9 Pro from a third party vendor. I was told I would receive a free upgrade to Acrobat X when it came out. I have activated and registered by copy of 9 Pro with Adobe. Is there anything else I have to do to get upgraded?
For more info, see: http://kb2.adobe.com/cps/153/tn_15304.php