The teaser image is for WoW =(

[Intolerance]

http://www.worldofwar.net/n/414868/blizzard-image-solved

Plus, gfraizer's personal site (http://www.expectnothing.com/) has the news item filed under "WoW guild." He absolutely knows what's coming and he wouldn't have filed it as such if it wasn't WoW related =/

[sirroman]

You should see the last pages of this thread, with some news you will be interested.

http://forums.diabloii.net/showthread.php?t=667077