The first bits of information are coming in regarding what we will be seeing this coming weekend, with Nagash leading the scene in a new End of Times dual book set coming.
Please remember that at this point these are not leaks, but are rumors.
The info can be seen and traced back here.
via Felwether on Warseer
I've just gotten a little bit of info about this release. Warhammer, The End Times is noted to contain new rules that change the way a game of Warhammer can be played. It is not a new edition.
Warhammer: Nagash - 2 hardback books in a slip case. €65
Book 1: 296 page fluff book detailing the return of Nagash and events that affect every Warhammer race.
Book 2: 96 page book containing rules for Nagash, new miniatures, the Lore of Undeath, Undead Legion, fighting underground and more apparently.
Nagash - no mention of him being a dual kit, rules are included in the box. €85(!!)
Grey Knights bundle.