Like I have said before, no matter what is written about this awful Metro interface, the truth is this OS is going to be as popular as Vista. Ok some will use it but most will not.
Most professionals use pads and smartphones as an addition to our main piece of equipment, the desktop and using a system that has a very poor integration of these different hardware systems isn't a good idea.

So the bottom line is you can always downgrade from Win7 to Win8 but have a chat to your psyciatrist before you do,