I spent three days at Ben and Pascale apartment in Paris and found it truly awesome. The place has obviously been through a complete upscale renovation, is full of light, tastefully decorated in beiges and greys, with all the amenities and equipment you may need. And the location... you step out of the apartment and literally fall into Notre Dame, with Boulevard Saint-Germain just feet away. Besides, the owners are nice and helpful, they even lent us a UBS cable for recharging a smartphone. But do mind that this is a fifth floor w/o elevator: I'm in my fifties and can go through it fine, but my Mom - who would LOVE the place - could not do it.
But I will definitely return!