This is a Linux centric rant, but I think is indicative enough of what generally goes on behind the scenes to be of interest to Windows users too. It is certainly of interest to anyone looking for video hardware for a SteamOS box.
The chap has called the graphics vendors A, B and C but I suspect people will work out who they are pretty easily
http://richg42.blogspot.co.uk/2014/0...r-quality.html