CDW and Super CDW
You can save a bit on Super CDW by pre-paying it. The Dan Dooley office in the US has a personal touch, very hands on, and will explain insurance thoroughly. They'll even bring the car to you at your Dublin hotel (small fee but I think it's worth it). I don't like paying for super CDW, but always do. €1500-€1900 deductibles can spoil a vacation if you have a fender bender.