Went to the Champs Elysee location yesterday while I was doing the tourist route. I tried several of the new flavors and they were absolutely divine!
My only complaint is that the staff is not multilingual enough for the crowd. They all speak English but I felt bad for the German guy behind me and a few other people who spoke common European languages besides French and English. The boutique is more tourist hangout than bakery as I'm sure the locals rarely go there. Why don't they have a system where the employees are hired based on ability to communicate with customers. Everyone should be required to speak French and English but there are scores of Spaniards, Germans, Italians, etc. And, to be honest, it is not hard to learn the approximately five phrases that you need to know in several languages. You don't need to be fluent to help a customer. They should wear those tiny cute flags that the employees wear at Versailles to indicate the languages that they speak.
Anyway, I highly recommend everything but I particularly enjoyed the Venezuela chocolate and the Yuzu Gingembre. Bon appetit.