SEGA announced on PlayStation Blog that Yakuza 5 will come with all the DLC for free pre-packaged–similar to how they handled Dead Souls. These include “Another Drama”, which is a series of extensive sub-plots that focus on each protagonist.
They have also announced that they will taking digital pre-orders for the game today, which you can check out here. Not only that, if you pre-order the game you get the game at a discounted price of $33.99, and you get a static PS3 theme. No official release date has been announced.