Old Spock is mentioned in the opening of Star Trek Ongoing #15. 7-page preview here: http://trekmovie.com/2012/11/20/chec...trek-comic-15/
Scotty mentions that he's "hiding behind some silly non-interference nonsense"
New Vulcan features heavily in the forthcoming Trek videogame, set between STXI and Into Darkness. It comes under Gorn attack. Maybe Nimoy will contribute a voiceover to the game?
He'll almost certainly return in the prime universe novels (the present of which is 2384), after having featured heavily in Typhon Pact: Rough Beasts of Empire
and a little in Typhon Pact: Plagues of Night
which seemed to set up something (most likely a role in the forthcoming 5-book series The Fall
I'm still hopeful that Greg Cox's The Hazard of Concealing
(the post-STXI novel featuring Spock Prime) will one day see the light of day, although I suspect it won't be until JJ Abrams film trilogy is complete and he moves on.