An incredibly modern and stylish apartment at a very reasonable price. Lionel provided tons of little extras which were very much appreciated (bread, milk, tea+coffee, bathroom essentials, etc). There are also stacks of maps and leaflets in the flats for tourist activities.
Excellent location near to the train station and tram stop (handy for CERN visitors), and a short walk to restaurants, the waterfront, etc. Despite the central location, very quiet and peaceful at night. Can't recommend highly enough.