I liked the Temple Bar in Dublin although many will say it's too touristy. There were about 4-5 others I went to, but after too many Guinness' they all ended up being alike.
I drank all over Berlin also, but nothing really stood out as a need to go to place for me. I lived in Germany for 9 years so just point me to a gasthaus and I'm good.
If you like garlic there's a garlic restaurant in Berlin in the old East Berlin side, east of Alexander Platz and west of the Holiday Inn.
Just be sure to have a good time!!!