The location just can't be beat! right at the top of the royal mile just under the castle.
the apartment itself is very nice and comfortable.
The only hitch for us was that we had trouble getting the wifi to work during our stay, and the shower doesn't get very hot and the drain was backed up a bit.
Overall the prime location and comfort of the place more than made up for those other things. We couldn't have picked a better place in Edinburgh to stay.