For starters, I think they should figure out a way to provide free dental care for everyone, and free eyeglasses for everyone that needs them. Another easy place to start would be free care for diabetics, and free prescriptions for anyone with either a temporary or on-going condition.
Free? I don't think so. In the end, it'll come back to everyone, even those getting the "free" benefits. Also, if this "free" health care is anything like the other "free" things we get in the US, such as education, I would expect the quality to be very low.