I know, but when AMD Support emails state....
You will receive your Bioshock Infinite Steam Key when it gets closer to its release date which is on March 26, 2013.
Therefore, you will be able to get your pre-order bonuses.
Thank you for your patience.
If you have any other questions, please feel free to contact us.
.... one would easily assume that they are also going to include the pre-order bonuses, since, you know, they said that they would