This week's Anaheim Bulletin was talking about how the expansion of the Convention Center was right on track for a September opening. But they also mentioned that one of the first large conventions that will use the new space, the American Heart Association meeting, which will be held in Anaheim November 11th through the 15th.
http://www.pr-medicalevents.com/congress/aha-2017/
So we will have a major weekend, a Disney Half-Marathon, the convention, and the start of the Christmas Holiday season at the Resort. I think it will be a packed weekend, and expensive Hotel Rates.