Last year, Atlus announced that there will be an expanded version of their monster rpg hit Persona 3. Persona 3: FES included the a enhanced version of the original game and a brand new chapter with 30 plus hours of gameplay.
With that said, can we expect the same treatment for Persona 4? According to Siliconera
Companies like Square Enix and to a lesser extent Atlus re-release games with expanded content.... In what might be a first for any publisher, Atlus sent us an anti-announcement stating there will be one and only one version of Persona 4 which is scheduled to come out on December 9. It is strange to hear a publisher close their doors to a follow up before a game even launches, but Atlus also wants to assuage fears that a deeper version won’t be coming out in the future.
So I guess it's safe to say that the only version we'll see of P4 is this