I stayed at the Kyriad twice last year (2003) and intend to stay there again this year. The hotel is very clean, beds comfortable and shower/bathrooms fine. Reception staff can range from very helpful to indifferent, but that depends on their stress levels. On my second visit last year, a friend came with me (I had previously visited with my husband) and she was not particularly impressed. However, this was because she is used to the standard and size of hotel rooms in the USA.
Unfortunately she experienced problems with her shower, and I had problems with my room door - but these were sorted out reasonably quickly. We originally had two single rooms but on separate floors, but after our problems we were moved to two double rooms on the same floor at no extra cost. So I feel the management were very fair about this. I would recommend this hotel from the point of view that it is in a quiet but convenient part of Nice (near the station, and not too far from the promenade/shops/restaurants etc). The breakfast is plentiful - if you get to the dining room early enough and the food is fresh. Probably the main reason I like to stay there is that it is inexpensive compared to some hotels. I previously stayed at one on the Victor Hugo Boulevard which cost a lost more and was not up to the standard of the Kyriad. .
Nice is NICE - so go there!
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC.