Why not try the free nights? I believe you will also get all the regular points (base + diamond bonus + double dip, etc.). The only difference is the "double points."
Originally Posted by
izmatron
Forget the free night cert, double points is where it's at. Since I only stay at Hilton internationally, this is great!
13 nights Hilton Sao Paulo
20 nights Hilton London Paddington
Double Points, Plus Diamond Bonus, Plus Double dip points and points = Lots of free nights.