Linux, POSH!! If people wanted to go to Linux, they had a whole decade to do so as the last decade wasn't a good one for the Windows brand, like vista for example. Even though that was the roughest patch ever for Microsoft, people just stuck to xp, they didn't go to Linux and they didn't when upgrading to Windows 7. There isn't anything about Windows 8 that would constitute a whole up rooting of a whole ton of users' knowledge of how to use an OS and throw it down the drain. The UI shift from Windows to a variant of Linux would be far TOO much than what people claim from a previous version of Windows to 8.