My guess is will get the Garchomp Lv.X DP Promo in POP7 or maybe they'll hold back the Lucario Gift Tin for the spring so they can release 3 Lv.X Spring Tins (Garchomp Lv.X, Lucario Lv.X, Porygon-Z Lv.X)
As for the DP4 Garchomp Lv.X, that'll get released next year for our 4th Set :D