http://www.winbeta.org/news/why-windows-8-will-not-be-major-release-for-microsoft
Many of us are eagerly awaiting for  Microsoft to release Windows 8 so we can use first-hand all the new  features the operating system will provide. But when you really think  about it, is Windows 8 really a major release or just another Windows  version tailored to tablets?
 
		
		
	
	
 Microsoft's riskiest product, as said by Steve Ballmer, is Windows 8.  But is Microsoft taking too much of a risk with Windows 8 or have we  not realized the method to the madness? Windows on Arm (WOA) was  introduced to us during CES 2011 and 
revealed to us in-depth  recently but isn't it just another version of Windows tailored to  specific devices? Microsoft's plans are farther out than any of us can  imagine. Yes, we realize that Microsoft is trying to enter the tablet  market with force, and there is a second user interface, but completely  removing the start menu and making the start screen the interface of  choice? Windows 8, in my opinion, is not a major release.
 Windows 8 is not an ideal version of Windows for business users. Why  is that? The typical business or corporation does not need the  "fluttery" and "flattering" user interface that Windows 8 has and the  start menu is counted on by many to reach certain programs within  seconds. Microsoft has even stated that businesses should focus on  upgrading from Windows XP to Windows 7 first, then worry about upgrading  to Windows 8. Windows XP, which debuted in 2001, is still used by many  of Microsoft's business customers. Microsoft even went as far as  extending support for Windows XP until 2014. Microsoft sees the logic in  this, but why can't we?
 Before the BUILD Developer Conference last year, we saw numerous  Windows 8 leaks. We received Windows 8 builds 7850, 7927, 7955, Server  7959, and 7989. It looked like an ordinary copy of Windows 7 with slight  modifications, right? What we didn't see was the new Metro UI at the  time. These builds leaked before the unveiling of the UI in June,  therefore the expectations were slightly different. Step by step,  Microsoft was making big changes.
 The Developer Preview was released on September 13, 2011. Eager  developers and many consumers hogged the servers that very night hoping  to install it. The build, itself numbered 8102, contained the new start  screen, and a variety of "test" apps. When you pressed the Desktop  button you had the taskbar, the start button, and your friendly  neighborhood icons, and with a slight registry hack the start menu could  be re-enabled for those who didn't have the Metro fever. As remarkable  as this was, we had figured that Windows 8 would include an option to  disable the start screen, and provide access to the old menu. But as  newer builds and pictures have shown, that may not be the case.
 
		
	 
 
		
	 
 
		
	 
 
		
	 
 Around Windows 8 build 8195, pictures were leaked and many were  stunned, including me. What was there for 17 years ... just was not  there anymore. The iconic button that symbolized the action of Windows  95 all the way to Windows 7 disappeared. Microsoft removed the start  button from the taskbar, leaving one small "gap" between the Internet  Explorer button and...well...nothing else. Yeah, when you move the mouse  over the area a "start" tag comes up, but what is the future of the  start menu? Assuming that the button is no longer there, Microsoft isn't  really trying to gain the attention of business users at this time.
 
 The success of Windows 8 is debatable, due to the two possible paths it could take. Let's consider the two possible outcomes.
 
Designed for Tablets
 Microsoft's main goal is to develop its Windows operating system for  tablets. Microsoft states that it has PC support, but according to usage  of the Developer Preview, PC use is not ideal, especially with the  removal of the start menu and start button. Microsoft has urged  companies and businesses to not jump to Windows 8, and to stick with  Windows 7 because of its efficiency. Windows 8 will not be a major  release, and will just be Microsoft's entrance into the tablet and app  market.
 OR
 
Fallback Solution
 Not everyone likes change. Radical change, such as the removal of the  start menu and addition of a start screen, Metro interface, and Ribbon  UI, will make it harder for those who are barely learning how to use  Windows 7. Same with businesses. It takes more time and money to teach  an entire organization how to use the new operating system, not to  mention the cost and time it takes to deploy the upgrade. Microsoft  should offer a fall-back solution which mimics the Windows 7 interface  in some manner with slight (not drastic) changes. And put the start  button and menu back!
 Just because Windows 8 doesn't have the start menu, doesn't mean  Windows Server 8 will not. Windows Server 8 needs the start menu to  access tools and such, which may mean there is hope. Assuming Windows  Server 8 keeps the start menu, Microsoft may even have the brains to  actually make a certain version of Windows 8 (whether it be Enterprise  or Professional/Ultimate) which allows the enabling/disabling of the  start screen, start button, and start menu.
 Whatever choices Microsoft makes in the development of Windows 8  makes it crucial to its placement as a minor/major release. Windows 7  was not a major release, but for many people it was a great successor to  Windows XP and it annihilated Vista's bad karma. The company has  repeatedly stated that this will be a single-sized operating system to  rule them all, but how can you tailor the operating system towards  tablets and not focus on the PC aspect as well? Microsoft can make  Windows 8 a major release, but so far it looks like it will end up dead  in the water.