Originally Posted by DBO72
Direcrtx, SLI, CUDA, PhysX, 3D-Vison, HDMI 1.4, Blue-Ray support .... are all features which were at the beginning or still be or will always be windows only.
Wrong, CUDA was announced for Win/Lin/OS X all at the same time. Out of the features that you list only SLi came later to linux. The rest will more then likely always remain Windows only features for various reasons (DRM or not applicable for example).