I have not been to the EY lounge but I would to have my tongue very firmly implanted in my cheek to describe the EI lounge as "unforgettable."
The EI lounge is pretty much middle of the road alright but it is still comfortable enough.
I actually quite like the DAA T2 lounge, with its large bathrooms, nice view of apron and plugs at every seat. Mind you it's always been quiet when I have been there, so that would make a difference.
The most amusing thing about the DAA lounges is the max 2 alcoholic drinks per person. I have prob been in 75+ lounges around the world and these are the only lounges that limit the alcohol you can consume. Only in Ireland! (and I say that as an Irish person). How they enforce the rules I have no idea - I assume you really have to be taking the mick in an obvious way to get brought up on this.