If you are an elite member, you get 5th night free on standard award stays of 5 consecutive nights or more. (takeoffwithmiles.com)
These rates are usually very reasonable and lower than standard award charts — except for first class awards. (pointchaser.com)
Standard award redemptions remain the same with roundtrip coach seats costing 25,000 and 40,000 miles, and roundtrip first class costing 50,000 miles. (rewardexpert.com)