This is the best Riad I've stayed in Morocco so far. The staff is very nice and professional, and there is several people with whom you can communicate in English (wich in Moroco is defenetely a plus). The rooms are just beautiful and very comfortable, all in a 100% Moroccan style. There are two very nice chill out areas, both inside and outside, at the rooftop.
The Riad is also located in a very nice medina, quieter than the more touristic medina of Rabat (just on the other side of the river), but no less beautiful and interesting. The owners of the Riad, Jan (or Jane, I didn't figure that out) and Rachid are amongst the nicest people I've found in Morocco. The last time I stayed there (July/August 2012) they received me and helped me in several occasions way after I left the Riad (after renting a room in an apartment).
Really, you won't find a better place to stay in the Rabat Area.