Having just returned yesterday from a 2-night stay at Le Dokhan's - i can agree with the above sentiments. Friendly staff, smaller property, a bit older still charming. Small, typically Parisian elevator that holds 2 people. (Except this one uniquely resembles a vintage Louis Vuitton steam trunk.)
Platinum breakfast was in the Champagne Bar. It consisted of breads (croissants, sm baguettes, etc) pre-placed on the tables, coffee, juice, and fruits. Price is 30EUR, Hotel accidentally charged me for this; so I had them remove. For a heartier breakfast, try restaurant Carette just down the street by the Trocadero Metro stop. (The Clef's d'Or concierge here even recommended.)
Champagne bar, and specifically Mattheas who works there, was wonderful! i recommend the cheese plate and the degustation (champagne tasting).
Was fortunate to get upgraded to the Eiffel Suite - - which the view of the tower was amazing! Seagrass floors, separate WC & tub/shower room w jacuzzi spouts, small staircase leading up to suite from entry.
If you stay at Le Dokhan's, be sure to check out the original Picasso in the small hotel lobby.
Hotel wifi worked in the lobby & Champagne bar, but not in my suite.

Earlier in the week, I used points to stay at Le Roch. And Le Roch was spectacular! New boutique hotel that opened on Bastille Day (14 July). While Le Dokhan's is tres convenient to Trocadero & Eiffel, I do prefer the central location of Le Roch in the 1st arr. The staff was also top-notch at Le Roch, and went out of their way to welcome me for a birthday stay.
Hotel mgr Bastien was previously at Westin Vendome, and Clefs d'Or concierge Benjamin is fantastic!

Of all the Paris SPG properties, I've stayed at: Prince de Galles, Westin Vendome (when it was Intercontinental), Le Dokhan's, Le Roch.
And I'd have to say that Le Roch is now my new favorite. (Previously was PdG)