Next season - Tevez, Llorente, Giovinco, Vucinic, buy one top player like Tevez calibre.
Out - Quagliarella(I would prefer Quag instead of Vuci, but taking into account the story in the mid season, he'll be sold most likely), Osvaldo(we don't need him at that price).
Immobile should stay one more season in Torino, to mature and prove that this season was not an accident. And, to be honest, I don't see whom he can replace at this moment. Gio and Vuci are better at their top form.