Glendalough and Kilkenny are both lovely, as well. Our last trip, we stayed four days each in: Ennis, Killarney, Kilkenny, and Dublin. (OK, Kilkenny was three days - but I would have traded one of those for the Dublin time).

If you want to see the trip report and photos, it's here:

http://www.greendragonartist.com/BI/...eports2006.htm