Dungeons and Index Cards
I tried using a stack of index cards instead of an initiative tracker last session, and it worked out pretty well. I put most of the monster stats on each card, plus checkboxes for hit points. I think it was smoother than using the tracker. I may need to put more of the stats on each card; I kept having to go back to the book. Maybe only for more or less simple monsters, and Big Bads can still require book reference? ...