Just for the record, since the last regular Kilt Night was held there, is the info on the locale for this evening:

St. Andrew's Pub 120 West 44th Street (between 6th & 7th Avenues) 212-840-8413.

It's closer to 6th Avenue (Avenue of the Americas), and if you're coming from the west, don't be fooled by the scaffolding. The facade of the place is tiny, but they have a banner hanging out on the street.