Only time will tell, but here is one take.
Full article: http://winsupersite.com/windows-8/windows-81-21st-century-windows-31
Historical precedence and my gut tell me that Microsoft is on the right track with Windows 8.1. And that’s neat, since many future releases—not just of Windows but of all major Microsoft platforms—will be minor updates, not major milestones. If Windows 8.1 is representative of what we can expect every year from these folks, then we’re entering an era I can only describe as a Microsoft Renaissance.
Full article: http://winsupersite.com/windows-8/windows-81-21st-century-windows-31