Ubuntu and Canonical have come a long way since their 7.04 Feisty Fawn release, which followed Microsoft’s Windows Vista. Back then, Canonical failed to capitalise on Vista’s universal rejection by its users. But it’s now 2012, and things are different. Does Ubuntu 12.04 have what it takes to position itself as a more usable alternative to Windows 8? We put both operating systems in front of 18 testers to find out..