We spent a wonderful week in Silvia's place. The apartment is conveniently located next to the Old Town (roughly 10 minutes walk). We had also stayed in the Old Town before, and I can say that this place is much more convenient since there are at least two big supermarkets nearby (300-400 m distance), so it's much easier to cook at home. The location is also convenient if you go to the beach like we did. 20-25 minutes walk, and you are there at the marvelous Andalusian seaside.
The place is spacious (was actually too big for 4 people), it's a high floor flat with a spectacular view from the window that I especially enjoyed at sunsets. The furniture is new - nothing fancy, but it makes you feel like you've just moved into a new place. All the appliances are there: toasters, coffee machine, washing machine, you name it. There is a big TV, so bring your HDMI cable - and you can watch movies.
The only minor con: the Ikea transformer bed in one of the bedrooms may get tricky to deal with (it's one of those models that feature the carcass boards randomly falling out of their slots).
All in all, this was a delightful stay, with a wonderful communication from the host. Great value for the money, do not hesitate to rent!