The official US and EU sites have published another developer diary for Book 12!  This one involves discussion on Avatar Customization.  Check it out!:

In addition to bringing you the Month of the Guardian, the Month of the Burglar, the Month of the Champion, the Ettendeep, and Angmar Revisited, Book 12: The Ashen Wastes will also go down in history as introducing The Month of Avatar Customization – as we like to call these things here at Turbine.

To read the entire story click here, or here for the EU website.