Gamasutra article based on recent MSDN page
Windows 7 will be able to render DirectX 10 and 10.1 applications on DX9 GPUs… or with no GPU at all! That’s obviously only useful for desktop applications, casual games, and driver compatibility testing, but the performance chart they provided is quite amusing. They can run Crysis in software mode at 1-3 FPS, and Intel’s integrated DX10 chipset is actually slower than software rendering on a Core i7…