As Yoshida sees it, the game needs to have a stronger connection to previous titles in the franchise. Fans can expect to see familiar elements like the Crystal Tower (Final Fantasy III), Magitek Armor (Final Fantasy VI), and areas reminiscent of Ivalice (Final Fantasy XII/Tactics). The new client is also meant to be highly customizable and capable of running on low-end machine or high-end machines as needed. Take a look at the full translation for more teases on what's around the corner for Eorzea.
[Thanks to Ring for the tip!]