We are flying into Dublin on a Monday morning- 10:30. Have decided to pick up rental car and drive to either Cashel or Kilkenny. Then will spend Tuesday in that area. Seems like there might be more to see/do around Kilkenny- except for the Rock of Cashel which we could drive up to see. I have read that you have to go on a tour to see it and that there is a castle in Cahir that is great too and you don't have to take a tour. Would we be better to stay in Kilkenny or Cashel since we want to see both?