Owner of the Dali Epicon 2 with Dali stands. I've driven them with Class A/B, Class D and Class A tube and SS amps. All high quality. The best I've heard them are with Class A tubes.
I have always described them as, "they do every right, but nothing outstanding". They shine at >70-75 dB. They drop off quickly at low volumes despite power. They have some of the best bass for a 2-way speaker and very flexible in positioning. They are a great blue-collar speaker. I do recommend them in a 10k system. Naturally Epicon 6 and 8's give you the option of the ribbon tweeter. I've never missed it with it's current tweeter.
Currently, I have them in my second system driven with a NAD MV10 V2. Most recently drove them with the Synthesis A40 (magical). Originally compared them to the Dynaaudio Heritage and B&W (?) And I chose the Dali.
If you have further questions, please do not hesitate.