S.T.A.G.E. on 13 November 2012
The next dev kit is supposedly going to be sent in Janurary and the final version should be up and running at summer 2013. I believe the PS4 will be ready next year and will be revealed at E3 after this!
http://www.ign.com/videos/2012/11/01/news-ps4-developer-kits-version-2-surface