Nice to e-meet you. I was preselected for a traineeship at the Directorate-General for Translation, sent off my documents and now I'm waiting to hear back. Keeping my fingers crossed for the both of us!
By the way, I think there is already a discussion in the more "general" forum on October 2016 traineeships at the EP here: http://ec-traineeship.findtalk.biz/t973p90-october-2016-traineeship#13603
In case you want to get in on the discussion, just. Seems like they're letting people know one by one if they have been accepted, so we just need to sit tight for now and play the waiting game.
In the email I received, I was told that I would be notified 1-1.5 months before the start date, so hopefully we'll know more by the end of August/early September.
Best of luck to you!