I was pleased with crowd levels last Saturday (the 16th) for my birthday. We hit three parks and though it was busy, it wasn't crowded. At noon, we waited about 40 (of a posted 50 minute) wait for Toy Story Mania and the FP return was something like 5pm-6pm. Later in the evening, HM and Pirates were both walk-on at MK and Big Thunder was about a 25-30 minute actual wait. Touring Plans had it at a "9" but it was much less busy than previous visits earlier this year. (Days they said it was a "7" were WAY more busy.)
So I don't know. I was pleasantly surprised that it was less busy than the predicted "9" would have indicated and I felt like we got a lot done across three parks.