As they have done previously with their other Tales of… games on the Playstation 3, NBGI (Namco Bandai) will be releasing many a set of character costumes and accessories to decorate your party members with. I will admit, in previous games they have released quite a few I would have liked to purchase (Of course, no English release so I cannot) but as there is a better chance of having Tales of Xillia released outside of Japan, I am going to be eagerly looking forward to seeing what comes out of these costumes.
The first set is the Star Driver set and can be seen in this trailer. These will be available on the Japanese PSN store starting on the 8th of this month for 500 yen (Each?).
Of course, this is not the only DLC currently in the works / been announced. Japanese website Hachimaki recently released the following DLC chart outlining some of the upcoming costumes you will be able to dress your characters up in. Some of them look very adorable.