Here is the link to the English Tamiya site announcement:
http://tamiya.com/english/products/2...aren/index.htm
.... and by the sounds of it, it will be a detail kit similar to the Enzo and Carrera GT saying....
"Coming Soon as a 1/24 assembly model that is perfect for displaying alongside Tamiya's 1/24 scale Porsche Carrera GT and Enzo Ferrari to showcase a fantastic lineup of 3 of the top premium supercars in the world"
Adam.