To migrate or not to migrate. Is it a question?

Following on the heels of my blog post about my experience with Windows 8, I saw this post on TechRepublic about whether the enterprise plans to adopt Windows 8.  According to their research, 74% of  organizations have no plans to deploy it.  I can't help wondering what the percentages of organizations were who said something similar about moving from Windows 3.11 to Windows 95.  I realize, of course, that the world is considerably different today, but still...