Bruce Timm working on new season of Justice League, Geoff Johns on Aquaman movie

http://www.bleedingcool.com/2013/06/27/what-we-might-expect-announced-at-san-diego-comic-con/
These are just rumours, but Bleedingcool is pretty much always right with comic releated news.
Other stuff include

Matt Fraction working on Game of Thrones type Inhumans comic
The first story arc of Geoff Johns and Jim Lee's Justice League being turned into direct to DVD animated movie
New DC Weekly comic series
Dark Horse starting brand new line of Alien comics set to include a load of shit from Prometheus, hopefully be as good as the new Star Wars comics
Death of Wolverine
Monthly Sinestro Corps comic series

Wat