Windows 8.1 Interface Preview
Ars Technica has one for you. Mostly what I notice is that they've managed to make the interface slightly uglier, by tacking on new visual clues for functions that MS hid in Windows 8 in a mistaken effort to make their mouse-and-cursor desktop OS touch-friendly.
And if you think that last sentence was a mess, you should take a look at the new Windows. I ain't got nothin' on that mess.
Alternate Headline: SWIPE ME!