OK I installed it, and it's immediately obvious that this thing is aimed squarely at tablets. That said, for the average user, this is going to be a user friendly kind of thing.
There was a quirky "reset your PC" option, which is interesting, I suppose it wipes you HDD leaving just Windows on, which might be handy if you sell on a second hand system, but then usually you'd do a proper format of the entire thing anyway.
The apps on the home screen are all broken (on the netbook anyway), but it does automatically detect webcams, microphones, so it is something you could easily use as a PC for now, bugs permitting.
When you come to the conventional Windows desktop, its basically identical, just the start menu is dumbed down, and should you click the start button, you go back to the start tiles. There is still an advanced Control Panel like the one we know.
When it comes to Explorer, the ribbon bar at the top (similar to Office 2010's) just takes up space, especially on screens with sub 1080p resolutions.
In terms of application compatibility, everything seems to work, so that's a bonus. Might upload a vid to YouTube with my thoughts later