9/25 is probably when Halo Mythic comes out.
Remember the Bungie announcement that didn't come at E3?
Yep... and MS said they wanted to hold off on the annoucement. Now perhaps they wanted to make sure everything else they had planned for a "re-launch" was going to be ready. We should find out soon.. MS would want to hype this up so in the next few days I would expect something official or we can chalk this up to a dream.