AMD Developer Central now offers a fourth beta version of the ATI Stream SDK version 2.0 with OpenCL 1.0 Support. Word is: "This release is certified fully compliant with OpenCL 1.0 by the Khronos Group and is supported on a wide range of AMD GPUs (see http://developer.amd.com/streambeta for the full support list) as well as any x86 multi-core CPU supporting SSE3."