A small surprise was hidden in the latest drivers OpenCL AMD has put online along with the beta4 version 2.0 of its ATI Stream SDK. There are indeed several files in the driver’s allusions to several cards still in boxes from manufacturer...

Note as well the presence of two Radeon HD 5900 (Hemlock PRO and XT): according to some sources, it would not be versions of "doped" by the Radeon HD 5890, but models with two GPUs that lose to crossing the traditional suffix "X2". Of course, until AMD will confirm these rumors: "Wait and see”...