Thanks for the heads-up. I very, very rarely go on the restaurant board, but when we eat TS onsite, it is primarily at Signature restaurants. We already have all of our ressies for this Dec, Jan, & Feb, so we're okay there. We're pretty good at planning so we haven't had the need to make double ADRs but I think there are occasions when sometimes the unexpected happens and the ressie needs to be canceled last minute. I wouldn't have that big of a problem with the 180 day rule IF they always had the park and EMH hours available at the same time. I do not think you should have to make ADRs before you know the hours. I have had to change mine many times after the hours were released, and even then, they still change them.