Amazing location right in the old town, we could walk everywhere and loved being right above the famous elephant house cafe. Only thing to bear in mind is how noisy the road is. It was noisy at night with people and first thing in the morning (on a Sunday!) with road works and rubbish collections and all sorts. Not much the hosts can do about this but just to note.
Lovely modern furnishings and it did feel a bit more like a hotel than other airbnbs I've stayed in. Nice toiletries, robes and tea/coffee etc provided :) Will definitely recommend to any friends visiting Edinburgh!