Microsoft believes Windows 7 will be tight and speedy enough to run on netbooks. Are PC makers buying it? Yes, at least in HP's case. PC World reports that the world's biggest PC vendor intends to offer "at least three different editions" of Windows 7 on upcoming revisions of its Mini netbooks.

HP is currently eyeing the Starter, Home Premium, and Professional versions of Windows 7—essentially all editions available for retail PCs outside the developing world with the exception of Windows 7 Ultimate. As we learned last week, the Starter edition will lack most of the other versions' functionality (including the Aero graphical interface), and it will limit multitasking to three concurrent applications.

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