There is an interesting article on the good points of Windows 8 and why you should consider migrating over at PC Pro. There is an excerpt and a link to the full article below.
With support for Windows XP ending in April 2014, businesses of every size need to think about migrating to a newer version of Windows
While Windows 7 will continue to be popular, Windows 8 is a compelling choice. Not only is it a highly cost-effective upgrade near launch, with Microsoft’s upgrade offer extending back to Windows XP systems, but there are other great reasons to embrace the new OS.