I chose the guesthouse as a budget option. The welcome from the owner and staff was very friendly, the owner speaks fluent English and is extremely hospitable. It was great having such a well equipped kitchen and dining area, and it really made a difference to be able to have my breakfasts and occasional supper from my own groceries as well as being convenient when I got back late from an all-day bus tour. The common areas and toilets are kept clean. The guesthouse is an easy 10 minute walk with a suitcase from the main BSI bus terminal. To walk up to the big church Hallgrímskirkja is about 10 minutes, and the nearest supermarket that I found is just in front of the church on the shopping street. From there it is an easy 10 minute walk into the centre. Despite what it said on Expedia, there is no TV in the room. There is a TV in the dining room but I didn't use it. I was satisfied with my stay here - my only criticism would be that the towels and bedlinens are extremely tired, actually threadbare, and the pillow was also very lumpy and ancient so you might want to bring your own pillow.