Found a few great articles which talk about player housing, Crystal Tower, and PvE arena.

There is a concept armor art for PvE arena which makes you look like Corba Comander… just all cobra.

http://zantetsuken.net/news/ffxiv-at-tgs-2013-housing-details-new-dungeons-and-pvp-plans

Second article details a new FATE with FFXI's Shantotto.

http://zantetsuken.net/news/ffxiv-at-the-tokyo-game-show-state-of-the-realm-report