My stay at Anita's was really nice, homely and comfortable. Anita herself is a great and generous host, easy-going, friendly and full of tips and advice about Stockholm and things to do there. The room is huge, and with plenty or storage, there was also ample storage elsewhere for my things in the bathroom, cupboards and fridge. There's also a full size tv, DVD player and good internet.
Kristineberg itself is a lovely corner of Stockholm, on the edge of Kungsholmen - central enough to make it easy to get around the city, but far enough away to feel calm and quiet.
I'd highly recommend staying here.