According to my supplier HLSherman will be in wide production April-May 2013 (may be a little earlier).
Heng Long has released some previously, but now they have informed my supplier that these RC tanks have some problems, so they have stopped supplying.
Many customers ask about the Sherman. It is very a confused situation. So by now we are pationatly waiting the update as these models are excellent for Kursk Duga in 1943. Besides KV-1, this Sherman we do not have any other RCtank models that could reconstruct (really recostruct) Kursk 1943 Eastern Front Red Army armour forces massively.