I really loved Marc’s place. Especially the view. It is on the top floor with a nice overview of Parisian streets. It is a great place close to the hot spot Marais. Regarding the price it is perfect for your semi-long stay. It is compact and might be a bit too small for two (if you’re not a couple) but it has everything you need.
Marc is very friendly and hostile guy! And he didn’t mind to meet in the evening since I booked the place very spontanous at the same day.