Rates for 8/29 - 10/4 are out, code is EXI. Flat discounts of $18 off value, $45 off moderates, and $70 off deluxe/home-away-from-home rack rates.
A few Passholder discounts are available for check-ins through 12/19/05. However, they must be booked online (either by you or your travel agent) and they require 120 day advance purchase and a NONREFUNDABLE deposit of one night's room and tax.
Information from Mousesavers.com