First thing you should do is buy the bouldering guide from [url]http://www.theshortspan.com/]http://www.theshortspan.com/] [url]http://www.theshortspan.com/[/url].There isn't much bouldering around the Burren. Doolin is the best spot with around 70 problems. If there is a big swell it can get wet. The rock dries very quick between showers and its only a few minutes from Doolin village so easy to grab an hour or two. There a similar area on the Inishmore one of the Aran Islands.Killarney in Kerry could be a good base. A good bit of easily accesible bouldering in the Gap of Dunloe and plenty of touristy things to do as well. Or a few days in each. If you have any other questions fire away.
Driving anywhere thats not just off the motorways takes ages.
Just a thought, if the bouldering needs to fit unobtrusively into a "holiday": there do seem to be some hefty walks to access some of the Wicklow venues, though the one into Glendalough is very scenic. If that's a possible negative factor, best study the guide hard and/ or consult more with Mr Flanagan.
Bugger. MrsTT wants to go to Bruges for a long weekend instead...