Wrath of Magnus Previews
There is an excellent set of preview articles going on now. In them you can see the latest rules, detchaments and formations for the Thousand Sons right out of the Wrath of Magnus book, including some really nice artwork.
Here are some of the previews..... for the rest follow the links.
via Lady Atia over on War of Sigmar
The Artwork
Colour Schemes
Detachment rules and more!