Linux is a very usable OS today. Windows, comparatively, is a much less usable OS. USB drivers that need 3 minutes to set up every time I plug my mouse in a different port. More issues with sound than there are with Pulseaudio. And, yes, this is a huge peeve of mine: Only a tiny fraction of windows software is ever ported to 64 bit. WTF?
Almost all linux software is readily available on 64 bit, as 64 bit; this includes Chrome/Chromium from the very, very early days. So now, a major web browser was released as 64 bit on Windows. Congratulations. Maybe 2014 will be the year of the Windows desktop.