Priority Club has 16 Holiday Inn Resorts on flash sale using points at 50% off until noon today EDT. You can access this offer here.
All these resorts are on sale from September 4th until October 2nd, 2012 for 12.500 Priority Club points per night from the usual 25000 points per night.
This is a very good offer if you can take advantage of it. Priority Club has had few of these flash sales recently and you usually need to act fast.