Something new will be announced by Microsoft in September but no one seems to know exactly what Threshold is.  It could be a work in progress version of Windows 9: The Button's Return, but then again it could be something completely different.  The rumours and speculation are rampant, as the current 982X build carries the name "Windows Technical Preview", similar to what Win8 was labelled before release but not specific enough to discourage enthusiasts from theorizing that it could be something else.  Also adding to the fuel is a new feature in Windows Update which will allow in place upgrades of your build of Windows, perhaps similar to the Windows Vista to 7 upgrade which caused much confusion.  You can follow the links from Slashdot to get your fill of the current guesses or wait until September 30th when Microsoft finally spills the beans.

"Nobody seems to know for sure whether 'Threshold' and 'Windows 9' will be one and the same or separate operating systems, reports Woody Leonhard in his roundup of insights on Microsoft's forthcoming OS plans, expected September 30. 'Many people think the terms are synonymous, but longtime Chinese leaker Faikee continues to maintain that they are two separate products, possibly headed in different directions.

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