This may come as little surprise given Google's traditional dessert-based Android naming system, and although we've got no official confirmation or specs at the moment, a 2013 release date is highly likely after Jelly Bean comes out later this year.
As for Android 7.0? Our money's on Lemon Meringue Pie...
iPad 3 video surfaces
Chinese companies scrapping for the job of building Google's next Nexus phone