Things we know about DCUO DLC6 Home Turf

Lairs/Houses

• Choose from penthouse, sewer, cave, bunker, tech as your lair/house 
• Select your own entrance in either Metropolis or Gotham
• 1v1 pvp inside your lair/house
• Hundreds of furnishing items that will drop throughout the game and in game marketplace more to be added in future new events, missions, raids
• Mainframe that will be upgradeable each lair/house will have this mainframe will grant new abilities(like Henchmen/Allies and other technologies) that can be used in combat via a trinket
• Generators power your lair that allow you to set up amenities such as mail and bank that are normally found in the HQ
•  Other lairs/houses to be released via the marketplace Batcave and the Fortress of solitude etc?
• Invite friends over 
• Multiple lairs/houses per character

New solo missions

• Stryker’s Island, Arkham Asylum, the Steelworks and Ace Chemicals each with 10 new missions in and outside that can be done daily to earn Marks of Triumph 
• Steelworks will for the first time have an indoor instance/level and outside missions

I will update this post when more details are known
Home turf dlc6 will release January 2013

Batcave Apartment Coming To Home

Platform Exclusive
(ATTN: As confirmed by Sefton Hill of Rocksteady, the Joker will only be playable on the PS3 and will not be playable on the 360 at anytime in the future. It is a permanent PS3-only exclusive. This is due to an exclusive deal that Sony has for the video game.)

PC
There will be Physx implementation for users with nVidia 8800+ graphic cards, or Ageia Physx Cards (if anyone ever bought these before nVidia bought the company).

Xbox 360
None.

PS3
Able to play as The Joker in eight Challenge Map which will be released as downloadable content on August 25th on the PlayStation Network. This DLC will be free.

There will be a "Batman Arkham Asylum Batcave Outpost Apartment". Apparently, this will be only for PlayStation Home. It will contain items such as the Batsuit, Batmobile, and Batwing, along with various Bat-gadgets. This content on PlayStation Home will be free.

The comic book "The Road to Arkham" will be given to PSP owners via download on the PlayStation Network. This comic will be free but will most likely NOT be able to be read by your PS3.

The PlayStation 3 version of Batman: Arkham Asylum will use some elements of SIXAXIS Motion Control.

Found this news here