Claymore! I think you're banned from every car rental place in Ireland, North and South! Haven't heard anything about the fleadh, although every year they say they'll think of the north, but it's never there...
Glad there's a positive response so far. I'm flexible with dates, so most weekends in Feb/March are good for me. I'll give my folks a call over the weekend and see what they think of the whole idea.