Good point, but I'm thinking that in my euphoria over getting to the Elite 8, I will have forgotten that I spent $18 for a Sweet Sixteen shirt and I'll go buy an Elite 8 shirt too.
I actually tried to order a Sweet 16 shirt. It said it wouldn't be available until March 28. I then changed my mind, figured if they lose to UNC I could order the Sweet 16 - if they win, well, just wait for NCAA National Champs gear to come out.