I'm looking for a Blue to confirm if this is possible (I'm not referring to the annual pass) I read somewhere that if you contact phone support they will give you the CD Key for your digital copy and then just add your collectors edition to your account. Is this the case?
I too am wondering the same thing. I bought the digital download when it was released for sale, but I now would like to have the CE instead. I have a store near me where I can pick it up, but I don't want to have to pay for the game twice. I'd rather just pay for the CE, whether it's getting a refund on my DD or paying the difference between the 2.