Let me know when you are in the Dublin area. Might meet for a pint.
In Dublin you have to try Burdock's fish and chips. Probably the best in the world. Only from their shop near Christ Church though...
Depending on your interests, there is a good bit to see, but a day or two will suffice.
Driving on the left is simple. Just remember that the steering wheel goes toward the middle of the road and you'll be fine.
Be especially wary when starting off after making a U-turn or parking on the wrong side of the road. It is easy to get confused and motor off on the wrong side of the road then.
The speed limits have been reduced, but you will still find that they are quite fast for many of the roads. You aren't supposed to do 60mph on the one lane give and take roads anymore. The new limit is 80km/h. Of course you would have to be Colin McRae to keep up that pace!
The sightlines can be quite short due to the ditches and hedges. Some roads are like a bobbahn.
If you have somebody on your tail on a narow road, do pull over and let them by. Then try to stay with the. Lots of fun!
"Simplicate and add lightness"
Your friend at the Nordschleife.