Microsoft just released their GDC 2007 presentations, with information on subjects such as XACT Audio, Direct3D10's basics and materials, LIVE on Windows, and tons more. What might be even more interesting to Beyond3D readers, however, is the first presentation on the list: "The Future of DirectX".
The first topic covered is DirectX 10.1 which, as previously thought, seems like a minor and logical evolution of DirectX 10.0; the new features include per-MRT blending modes, better MSAA control, Cube map arrays, more VS input/output attributes, and improved precision requirements. Read on and more at Beyond3d