My biggest concern is drivers. This will create issues for Nvidia and AMD having to support another OS which they barely do ATM (guess they have no reason to). Community support will also be interesting if allowed and this opens the pathway for a steam console. If windows 8 flops this might make linux a very attractive option for prospect gamers and other users, especially if a flavour designed especially for steam. TBH lack of steam is why I still have windows. After this, steam on android....let it sink in, there you go!