http://gamingprotocol.net/battlefield-4-pc-system-requirements/

As stated in the headline, there's been a new site opened which is still in early development. But check it out

http://steamproxy.net/groups/GamingProtocol

Here's who now owns what now that THQ is gone.

Company of Heroes and Warhammer 40,000 developer Relic Entertainment is going to Sega.
Saints Row developer Volition, Inc. and the Metro series are going to Koch Media (Deep Silver).
The Homefront franchise is going to Crytek.
THQ Montreal and the South Park license are going to Ubisoft.
Evolve, a game in development by Turtle Rock Studios (which worked on Left 4 Dead), is going to Take-Two Interactive.

War Z gameplay http://www.gametrailers.com/videos/ud86tw/the-war-z-exclusive--pax-prime-12--alpha-co-op-gameplay

http://dayzmod.com/forum/index.php?/topic/52196-pending-update-build-1725/#entry500771