We (2 friends and I) stayed at Siobhan’s place for a month and it was just perfect. Siobhan is a very nice person and we often had a nice chat. Her dog is also very friendly and we sometimes went on a little walk with him.
As Siobhan wrote in the ad, the house is very noisy (if someone is speaking in the room next door you can hear it very clearly). It wasn't a problem for us, but I imagine it might be a problem for some - especially if you're just renting one room.
If we wanted something specific for breakfast, we told Siobhan and she brought it to the kitchen for us after a short period of time. The kitchen and bathroom are rather small, but have everything you need.
If you want to get groceries you can go to Dunnes and Aldi (only 10 min walk). The journey to the city centre takes about 25 minutes by bus. The bus station is only 3 minutes away, which is also very good.
All in all we would recommend staying at her place.