From an interview with Father Giuseppe Costa, the new director of the Libreria Editrice Vaticana, the Vatican Publishing House (Petrus):
In conclusion, after the motu proprio "Summorum Pontificum" for the liberalization of the Tridentine rite according to the liturgical books of Saint Pius V, as partly modified by John XXIII, have you reprinted the Missal of 1962?
"We have not reprinted anything, only the motu proprio. The eventual reprints depend on the episcopal conferences. If these do not demand it, we reprint it, but if there no such demand, we do not reprint it; no demands have arrived so far."
If they keep waiting for the Episcopal Conferences, the traditional liturgical books will never be reprinted by the official publishing house of the Holy See...