For those on these lists: SIUC and U of Montana, I declined offers there, so hopefully you'll move up!
Today I found out I am an alternate at my 1st choice, and the POI said it's common for alternates to get offers (there were only a couple of us applying to the lab). BUT I also have an offer from my second choice, which I feel like I need to say yes or no to soon--is it okay to hold out a little longer to see if I move up the list on my 1st choice? How long? I'd hate for the lab at my 2nd choice to not get a student b/c they are all snatched up if I say no too late. I hate this pressure. Also, if I do wait a bit longer, what do you say to the POI at the 2nd choice school when they call to see where you are in the process?