ATI DirectX 11 Family codenames
We already know that the DX11 class graphics cards from ATI fall under the family codename 'EVERGREEN', as recently seen on Computex. But it seems that ATI has sub-codenames for each product seperated, check this out:
ATI's DX11 class Evergreen family will contain five products. Since the flagship X2 version is made up of two GPUs, there are four code-names assigned for the initial product lineup.