My wife and I spent two days there this fall and I must say it lived up to everything everyone has said about it. We had an upstairs room that was quite large and very well appointed. I honestly can say I could find nothing to offer to them for improving their B&B. It really is that good.
The location is very hard to beat. Only a block off St Charles, there is easy access to the streetcar. We parked our car in front of the mansion and never used it again until we left. We took the street car to the French Quarter and it really made travel around town a breeze.
A walk through the garden district is well worth the time. They are just beautiful, well cared for and a delight to see. Make sure to leave time in your day to take a walking tour of the area.
Lastly, its right around the corner to Commander's Palace. There is nothing more to say.