The apartment has an extremely spacious living-dining room, two bedrooms with decent mattresses, and full bathroom and kitchen. It is a very comfortable place to live in. I wouldn't hesitate to book the place again.
Dan is very responsive; we never ran into a situation when we couldn't reach him.
The location, on St Laurent, is a very central location on the plateau (I say this as someone who lived in Montreal several years ago). It probably isn't the best place if you are looking for silence, but considering the location, I think the noise level is more than acceptable.