Thought I would share a couple things:
Here is some info on AGOT beyond season 6. I think we might be past the point of showrunners planning to include TWOW content (whenever released).
http://winteriscoming.net/2016/04/15...n-10-episodes/
And, HBO will have a new show to discuss each episode afterward. It will be hosted by Greenwald and Ryan from the defunct Grantland site. They have not read the books, so they approach each episode as TV critics. They're pretty interesting and they're Grantland schtick was pretty funny.