I emailed WDW and just got this reply:
Thank you for contacting the Walt Disney World® Resort.
Theme park operating schedules for the period of your upcoming visit
have not yet been determined or
released. We encourage you to visit the following address on our Web
site closer to your actual
arrival, to obtain updated operating hours information.
http://disneyworld.disney.go.com/wdw/calendar/parkhours/index?id=MKCalendarParkHoursMonthlyViewPage
If you have questions or need further assistance, feel free to contact
us.
Please include your full name, E-Mail address, and reservation number
if applicable on all
correspondence.
Thank you!
Sincerely,
Steven Paradis
WDW Online Communications
Looks like they won't release them for a while! I read on another board that someone had been told two weeks by a CM - and it's because of hurricane Katrina.
I have a feeling we're heading for much reduced opening hours...