Microsoft says that Windows 7, the badly needed replacement for Windows Vista, the operating system so laughably bad it tried renaming it, is coming out in 2010. Officially. But Mary Jo Foley, the longtime Microsoft observer, thinks it's coming sooner — before the middle of next year, quite possibly. Foley has plenty…

Remember that brief moment this spring when everyone was saying Microsoft-Yahoo was a sure thing? That was when ZDNet blogger Mary Jo Foley must have put the finishing touches on her new book, Microsoft 2.0. On page 4, Foley writes: "This is a book on Microsoft's next chapter. It's going to be an unpredictable one, as…