We've been fives times, 3 weeks each time, and always try to pick B&Bs over hotels. I agree with the other posts, in that your visiting Ireland to see places, people, and things, not see B&Bs. I enjoy the owners, the breakfasts, along with the chats with host and other guests. We always have busy itineraries, so we don't spend any time lounging around the B&B or hotel.
My rough draft for planning starts with picking towns I haven't been to (or towns I really enjoyed), then I look for pubs with trad sessions in each town, then arrange the trip to hit the music nights, then lastly, pick lodging within walking distance of said pubs, always preferring B&Bs. I'm sure that process excludes some very nice countryside B&Bs.
MNT is Sunday afternoon in our area, hence some confusion.