Is there any rhyme or reason to how they allocate these? I would prefer to use this option vs. all miles to stretch the point balance further (want to take kids to Hawaii and Europe in next 12-18 months). You can't search for this award, it just comes up. When I go all the way out to close to the 330 max, there aren't many which makes me wonder if they don't allocate til later. Anyone have any insight? Thanks!