But now thanks to the Windows 8 Consumer Preview released just days ago, we now have a longer list of SKUs to consider. After digging through the registry, Windows 8 Beta provides a completely different lineup than what the HP documents offered. The list includes the following:
Windows 8 Enterprise Edition
Windows 8 Enterprise Eval Edition
Windows 8 Home Basic Edition
Windows 8 Home Premium Edition
Windows 8 ARM Edition
Windows 8 Professional Edition
Windows 8 Professional Plus Edition
Windows 8 Starter Edition
Windows 8 Ultimate Edition
Given the list came from the public Windows 8 beta, there's a possibility it could change before Windows 8 goes live later this year. Engadget points out that Windows 8 Professional Plus Edition may have similar collaborative tools as Office 2010 Pro Plus which offers extra integration with Sharepoint and Office Communications Server. Windows 8 Enterprise Eval Edition is likely a trial for businesses itching to upgrade, but don't want to make the plunge quite yet.
Source: Toms Hardware