Gartner: Windows 7 is 'all but inevitable'.

Gartner Group analysts are telling business users that they should look at Windows 7 as an “all but inevitable” Windows release.
Because “typically more than half of an organization’s applications still require Windows,” said Gartner researchers during an October 13 Webcast for Gartner clients and others, replacing Windows is not a short-term option.

Gartner: Windows 7 is 'all but inevitable' | All about Microsoft | ZDNet.com