Over the weekend a RV670 DX10.1 whitepaper was leaked on an ATI fan site that spilled some of the secrets of the upcoming ATI Radeon HD 3800 series. The main advantages of DirectX 10.1 include global illumination delivering lighting and shadow quality in real-time that matches the ray tracing techniques used in CG films, improved anti-aliasing techniques to clean up distracting shimmering artifacts, and tighter specifications for improved compatibility. We are sure more information about the ATI Radeon HD 3870 and ATI Radeon HD 3850 video cards will be out in a couple weeks...