i asked cyberlink about this and the following is their reply
Thank you for contacting CyberLink Technical Support.
I understand that you have purchased the upgrade to PowerDVD 9 Ultra software on 2010-02-06 and you wish to get the free upgrade to PowerDVD 10 software.
In regards to your concern, I want to inform you that our sales team offer a free upgrade to PowerDVD 10, as you have bought the PowerDVD 9 within 30 days prior to the launch of PowerDVD 10 software on March 17' 2010.
Our sales team will send you the the PowerDVD 10 Ultra (free upgrade PowerDVD 9 to PowerDVD 10) with the activation code by end of April' 2010.
If you will not receive the software by the end of April' 2010, then you can contact us back.
Please feel free to contact us back for any further clarification or for any assistance related to CyberLink Products. Use the below mentioned link to get back to us for your further queries:
http://www.CyberLink.com/english/cs/support/form/index.jsp
Thanks and Regards
Gaurav