Yes - it's been a few years ago though. I have stayed a couple of times over President's Day (with it falling in the middle of my trip) and I've been able to get a discount. Of course, they are discounting off of a higher rack rate, so it's not as good a deal as earlier in February. Also, you want to book as soon as something is announced, because I've seen it become a blackout pretty quickly as people start booking. So you don't have a lot of time to think about it - just book!