For used furniture/electronics, (if you are in no hurry) I think the QL classifieds is the best place. Souq Haraj is also a good place if you can bargain. I would recomend a a shop, in the corner, the name goes "Bumatar" or something like that. Those guys make furniture (mainly bedroom sets) I got a Kingsize bed, 2 side tables & orthopedic mattress for Qr1100 ans its better than the beds I saw in Home Center. I had to take my friends wife along to bargain with those people!!