Things we did that were well worth while:
1) Even though it was steep, we stayed a night in the Clarence. It's *such* a great hotel. If you can afford it, I would highly recommend it. The next night, we went to the cheaper BnB's
2) GPO (General Post Office): Yup, it's just cool to walk around in.
2) Moydrum Castle. It's a bit of a haul (darn near half way to gallaway, but it's so, so freaking cool). We got mocked by our hosts when we told them we drove out to athlone (the town it's near) to see moydrum castle. An hour an a half was just a little too long of a drive for them apparently
. Be respectful of the guy's property it's on.
3) Windmill lane. Not much to see, but still kind of fun to just 'be there'.
4) Principle management offices: directions are on the page at the beginning of the thread. I actually saw Paul packing his car to head off to Norway that day.
5) Cafe Nude (owned by Bono's brother): It's got some tasty smoothies! Yum Yum
There are others, but I would high recommend the walking tour on that site, it's really fun.
--pete