So I got to my local Apple store at around 8:30am got in a reservation line (about 30 minutes) they were giving reservations late into the day 2:30-9:00pm. I mentioned I was in the IUP and said “oh you don’t need to wait, they’ll see you right up front in a minute”. Went to another line and was in and out in 15 more minutes. There were about 100 people in a store pickup reservation line since 7:00 am. Love the upgrade program.