You can get crowd predictions at Touring Plans.com. It is a subscription service. Here are the predictions:
DL. DCA. AP blackout
Sat, October 27, 2012 8 out of 10 7.1 7.9 SC SL
Sun, October 28, 2012 8 out of 10 7.5 8.0 SL
Mon, October 29, 2012 2 out of 10 1.1 5.5 Mickey's Halloween Party