We happy houred as much as possible while on the strip because during other times drinks are f-ing expensive everywhere. This was easily my favorite happy hour of all that we hit. Unfortunately their $5 drafts are only Mon-Thurs, so when we tried to go back Fri to hit it up again, we ended up paying full price for our beers, which was a bummer.
The place manages to keep the Irish pub atmosphere even while being smack in the middle of the New York New York casino, and was a great place to just throw back pints.
A fun side note - I told my boss today about having gone to this pub while on my trip and come to find out when he went to Vegas a few months ago, he actually did a jig on one of the tables and kissed the stuffed moose on the second floor. God I wish I had seen that.