Tried it, not moving to it
W8 looks like a dumbed down W7. On a full PC with touch, I found W8 Metro to be frustrating to the point of being unusable. I ended up moving to the old W7 interface and even that was feature limited compared to regular W7.
So, tell me again... why do I want to upgrade to an operating system that gives me more headaches and hides or dumbs down the features I use on a daily basis?
Maybe it will work for tablets or phones but I don't care about those. I use my PC for work and W8 gets in my way.