Hi, Welcome to the Dis!!!
Yes, there is a discount for your timeframe, however, it is for packages only. Did you book a package? If so, you may be able to apply it.
This is from mousesavers-
Fall Vacation Package Promotion
Discounted Walt Disney World resort packages are available for check-in dates 9/30/07-11/19/07, 11/24/07-11/28/07 and 12/8/07-12/23/07. The package must include at least a minimum stay of 3 nights and at least a 1-Day Magic Your Way ticket. There is very limited availability.
This discount may be applied to a regular Magic Your Way Package or a Magic Your Way Package Plus Dining.
You must book this offer by 9/26/07. It is also bookable by those living in the UK and Canada.
What you would need to do is call CRO - (did you book through disney?) Anyway, call them and ask them to apply the discount to your existing reservation. That's it!!!
IF there is availability they'll just add it and if a refund is applicable they'll send it to you!!
Good Luck - come back and let us know if it worked out for you!
Oh, and when booking trips in the future, always check here or
www.mousesavers.com for the latest info!!! Generally though, I'd start checking for discounts at least 3-4 months before your trip!!!