Paul's place was fantastic. Located just north of the Liffey, it allowed us to bed down outside the tourist swirl of Temple Bar while still letting us walk to anywhere in the city. And on the day when weather prevented us from going too far afield, restaurants, bars and the Jameson facility where all within a stone's throw.
And Paul himself was extremely accommodating. We arrived in Dublin around noon and were able to call Paul and he met us at the apartment for an early check-in which allowed us to hit the ground running on day 1.
For the location, accommodations, and Paul himself, I don't think you will be able to find a better place in Dublin for group to stay!