I have not even begun to dig through all this yet, but there are tons of leaks now on the web for you to check out.... There are lots here, and I will be digging through as I get the chance today. This all came a day earlier than I had figured.
The Leaks can be found at the following site in English
via Gametrust
http://www.gamestrust.de/bilder,list1263,1,warhammer-40-000-tau-empire.html