Clean and spacious (for Europe) room, very helpful staff. Two things stood out for me in particular: 1) excellent adjustable shower pressure - better than almost any hotel I've stayed at, and better even than what I have at home; 2) electric tea kettle in the room - I can't tell you how many times during my past travels I have had to call housekeeping to beg for a kettle, and half of the time they would refuse it (either the shortage of kettles or "fire safety reasons," which is ridiculous as electric kettles all have an automatic turn-off switch). At DO by Sonder, upon check in there was both the coffee machine and a separate electric kettle in the room, the latter being useful for tea or instant coffee (which I prefer to machine brew).
Placa Reial can get quite noisy (and I was there on the Halloween night, so the partying was going on all night long). But the balcony doors were fairly good at keeping the noise out.
And if like me you are slow to roll out of bed in the morning, the prospect of several cafes waiting for you with warm croissants downstairs on the square is definitely motivating.