re: Windows 8.1: Visual Tour
Definitely one of the big issues. More than 100 million people are using Windows 8, but a lot of them took advantage of discounted upgrades and simply installed Win 8 on aging, non-touch PCs. Win 8.1's boot-to-desktop mode helps these customers, as does the ability to disable hot corners. Public response to the new Start button is still unknown, though I've found the right-click option is more useful than some have said.
Will it be enough to convince "traditional" PC customers give the Windows 8.1 desktop a chance? And if they do, will they spend any time in the Modern UI? Or will they enable boot-to-desktop and banish the Live Tiles from their workflow? Windows 8.1 is a definite improvement, but it faces a barrage of questions and doubts.