Padfolios are useless. Almost every school that we went to (except UVA) gave out folders. The papers in those folders are plenty to take notes on. Actually, you don’t even need to take notes because you’re never going to look back on them. The schools you will end up seriously considering in April/May will only be a few. In addition, you don’t need to carry any extra papers, like a resume or a publication, into your interview. It would stiffen up the interview unnecessarily.
See the other ten things we wished we had known here.