When we did our 4 day tour?! we went down the West coast through Galway and onto Cork then up through the middle back to Balina.
I loved it and want to spend more time there - especially around Kerry and also the Galway coast, fantastic scenery and the people are so friendly and helpful from what I remember, but that will be a few years away yet unless something happens to Mum!! which I obviously don't want yet - not when we enjoy our tour of Europe and each others company so much.