We recently stayed at Riad el Borj for 3 nights in the Douireya suite and one night in the Suite el menzeh and would completely recommend both for your stay at Riad el Borj.
The owner, Daniel, was away when we visited, but was in contact via email and his staff were very helpful and attentive. Had the best meal of our trip here as well. Breakfast was delicious. Drive from airport was on time and took us as close to riad as possible, there was then a porter there to take our bags the rest of the way.
This is the riad experience I was hoping to get. The terrace is beautiful and very comfortable. If you are in the el Menzeh suite you can actually go up onto the roof and have an exceptional view of the entire medina and koutoubia minaret.
Will definitely stay here again next time I come to Marrakech