It isn't every day that a new version of **DirectX** is released but with the approaching availability of Windows 7, we will get a taste of the new DX11 API. Accordingly, ATI is the first to market with their own DX11-compliant hardware in the form of the Evergreen family of **GPUs**. In this review we take a long, hard look at the single-chip flagship of the lineup: the HD 5870 1GB