Here is the deck plans. (Link as PDF)
Norwegian Epic Deck Plans

UPDATE (8:54 PT): First impressions; she will infact have a large theater. Perhaps even a main restruant. These must have been added by Apollo. ONLY TWO STAIRWELLS like oasis of the seas. Kids area and fitness area are awkwardly placed on Deck 14. And lastly there appears to not be any oversized villas.