A FlyerTalk Posting Legend
Join Date: Jul 2002
Location: MCI
Programs: AA Gold 1MM, AS MVP, UA Silver, WN A-List, Marriott LT Titanium, HH Diamond
Posts: 53,002
Very property-specific, but I've done it a few times over the years. Usually a cash upgrade in my experience, but I have seen references to an option to use upgrade certificates (which I guess is just 5,000 point increments).