Windows 7 will come in many flavors | Will they ever learn?
Despite criticism that Windows Vista came in too many versions, Microsoft is moving ahead with plans to offer just as many editions of Windows 7.
Although the software maker will offer at least six distinct versions of the new operating system, Microsoft said to expect almost all PCs sold in the U.S. to come with either the Home Premium or Professional editions of the operating system.
Taken from the following CNet Article