Businesses will want to migrate from Windows 7 because of Xp's end of support date in a couple of years. They would view Windows 7 as safe because it is a modern Os and is likely to be stable. Windows 8 on the other hand will be unstable and untested. Windows 8 is like a way to get Xp and Vista users to migrate to Windows 7. Basically, Xp's and Vista's market share will go down in 2012 when Windows 8 is released.
