IHG Rewards Club just released a list of last minute rewards nights for this coming weekend. You need to book them on Tuesday, Wednesday, and Thursday for Friday, Saturday, or Sunday nights this coming weekend. You can access the full list of hotels by following this link.
These last minute rewards nights are offered at 50% discount of the usual number of points needed. This time they have 37 hotels on the list of which three are InterContinental ones.