The Official Star Wars: The old Republic Facebook page just announced that the Zakuul Knight Armor set from Knights of the Fallen Empire expansion will be purchasable on the cartel market from tomorrow:
INCOMING TRANSMISSION: The Zakuul Knight Armor Set will be available on the Cartel Market starting Aug 18! Stay tuned.
The same page also tells us that the Bounty Contract Week Event starts again tomorrow:
The BBA has decreed tomorrow the start of #SWTOR‘s Bounty Contract Week Event. Will you be there? http://bit.ly/1PvNv7X