ChipX86 writes: "We've all heard the rumors about Microsoft proposing to open source Windows. Now it appears to be confirmed. This article on MSNBC says that Microsoft would '... provide open, timely and complete access to the parts of the Windows operating system code used by independent software companies to design their software applications to run on Windows.'"
From the sound of it, this seems like more of a delay tactic than a straight proposal, but interesting nonetheless. (How open is "open," by the way? What about "Timely"?)