If you already know the hotels not much to say. Did never stay at Waldorf Astoria. If you like a Club Lounge Ritz Carlton is the only luxury option. Stay normally at the Grand Suite, would avoid "normal" rooms. They run really cheap promotions, so crowd is mediocre. So the rooms are not really overprice, itīs a Kind of differnt hotel. I stay because the Club Lounge is very convenient, especially if I work all day and my wife donīt like to sit alone in the Suite.

Best hardware has De Rome and Adlon. Adlon is very good with Virtuoso! Upgrade at time of booking (Grand Deluxe to Junior Suite for example) and a further upgrade at check-in. Can be an absolute bargain.

Iīm not a fan of Regent, one of the worst breakfasts I know and boring Four Seasons style of the 90th.