This. Almost any flavor of preference voting would be an improvement of our current single-ballot plurality system. You don't even have to rate the choices to

This. Almost any flavor of preference voting would be an improvement of our current single-ballot plurality system. You don't even have to rate the choices to see an improvement. Just pick any that are acceptable. Ballot design stays almost exactly the same. No run-off needed. Easy to understand. In US presidential elections, that might mean somebody gets to vote R and L. Or D and G. Or D, G, and L. Etc.