I am interested if there are any news when Google will refresh Nexus 7, I want to get it, but would prefer to wait for newer version. There were already places

I am interested if there are any news when Google will refresh Nexus 7, I want to get it, but would prefer to wait for newer version. There were already places that track release times, this page is not neccesary, http://buyersguide.macrumors.com/ http://buyersguide.macrumors.com/ comes to mind. I see others pointed that as well... well I can't remove this post so you will have to endure it presence.