You're looking at it from the point of view of the customer, not the seller.
As for what WIn8 brings? Better memory management. Faster OS. Faster boot/wake up. Better security (
http://www.howtogeek.com/128182/6-ways-windows-8-is-more-secure-than-windows-7/,
http://securitywatch.pcmag.com/none/300781-windows-8-much-more-secure-than-windows-7).
Additionally, comparing to WinXP, IE 10 supports HTML 5 and CSS3.
>No, it's the same reason why a company decides to keep its truck for another year: it is poor business sense to change unless the benefit outweighs the cost. IT has considered itself immune from this business principle, but that's over. The overriding business principle "does it make the ship go faster" increasingly will be the norm for IT purchasing decisions as it is elsewhere in business. In the case of OS, what does W8 bring that people don't already have, including the majority of my customers who remain on XP? How will W8 make the ship/business go faster? These customers include extremely large US providers who perceive serious risk that a newer OS not only brings no business benefit, it may break something they actually need to do business. Certainly they do not need W8 to do business. So in the absence of any good business reason to upgrade, they freeze on a known stable environment and will do so until the reasons to change outweigh safety and predictability. Eyes would roll if you quoted a better task manager- to many customers that would be like a chrome rather than a plastic cap on the indicator stick.
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer