MSNBC writes: "Windows 7 is finally upon us, leaping off retail shelves in little blue- and green- and black-lined plastic containers in a matter of hours. With the critical plaudits, expect enthusiastic midnight sales, curious micro-throngs of buyers and swollen message boards deluged by "impressions" confessionals from first-timers who somehow missed the endless betas and previews and release candidates foisted on us like fistfuls of Halloween candy."