Your DX10 GFX Card Won’t Support DX10.1
At the current SIGGRAPH event, Microsoft spoke to graphic enthusiasts about the next DirectX update, DirectX 10.1. The update will be released with Windows Vista SP1, but more importantly, the features in 10.1 aren’t supported by today’s DX10 graphics hardware. Gamers will be required to replace their graphics hardware once again, in order to take advantage of the 10.1 update. We’ll post more information shortly.