I highly recommend Sally's appartment! It is cozy, clean and it provides everything you need! Not to mention the view - it is amazing! Metro and bus stations as well as supermarkets are nearby. It can be a bit noisy as the appartment is located next to a high traffic street but the windows are well insulated. Considering that the flat is not too pricy, we got much more than expected!
Sally is a very responsible host that takes care of everything. She provided us with a sheet that contained all information necessary (codes for the door, Internet access, important phone numbers etc). We felt very well shepherded ;)