My suggestion is to go for a high floor (there are 5 total) and a room with x24, 26, 28 or similar numbers to give you a beautiful view out across the west of the city.
One small word of warning - and I can only speak for room 328 - the architect saw fit to festoon the hotel with some sort of chicken wire that rattles to the point of intense annoyance, especially when it's as windy as it is in Dublin tonight.
I've switched rooms, to x18, and whilst the chicken wire is still there, the noise is not. I also learnt a new phrase in what I suspect was one of the Eastern European languages, which translates roughly as "I'd like to get the £*^$)"*"&&" architect to sleep in that room!"
You have been warned!
And I guess I'm not the only one that thinks this way: see
here
Oh, and the pool tiles needed to be replaced in this eight month old building, hence the pool is out of action ... I'm about to cancel booking #2 for the end of April.