I don't know if you have status with CC, but Plaza is for sure the most luxurious hotel of them all and they have nice upgrades for CC elites (business class for gold, junior suites for concierge). Scandinavia is in a calmer but still excellent location but has no clue when it comes to recognising CC elites. I've received outright bad rooms despite being Concierge (and received tons of CC points after complaining to CC about it).