I was just in Dublin in Sept/Oct, and was sad Ididn't get to see more of it. I visited Newgrange, as was mentioned, and it was breathtaking.
Getting film was an issue. Thankfully I'd taken a gazillion rolls with me, but getting colour was tricky too. I got some from Camera Exchange in George St, but their range was small, and virtually non-existant in 120. Take stuff with you.
I loved what I took in Ireland, but there is always that feeling that there is so much more! Living in Australia makes popping over prohibitive though

I envy those in the US..it's a day trip in comparison! LOL
This is my favourite shot from Dublin. THis little leprechauny guy was in an antique shop around the corner from our apartment on Lower Ormand Quay. He seemed to sum it all up for me.