We stayed at the GF RPC last year and got the discount thanks to Laura from OLP travel services. We knew about all of the other room discounts from mousesavers thanks to Mary.
Laura told us that for the last few years they have been offering the AP and other discounts on the RPC which we could never get before.
We are also going the first week of December and are hoping for codes again. Of course the Sugar Loaf building always gets a code and we have paid in the 200 range for that building which is a real bargain for concierge services.