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I was also thinking of Dali. He will listen to the 5 and 7. Q accoustics becomes very good reviews, but no dealer in this area. Epos too. Personally i like monitor audio. But for him i think too Bright.
While Insider9 offers his suggestion in good faith, truth is no one can tell you which speakers your friend is going to like the sound of. Not even you and definitely not us. It isn't an exact science. He needs to go and listen to some. We can help you compile a shortlist, but you've already done that bit. Beyond that, asking someone else to tell you which he should buy is a recipe for disappointment. You may as well say you've compiled a list of three popular fruits, apple, orange and banana, which one do we think is he going to like the most.
Not exactly what you asked. If your friend has access to RS they are selling a pair of mission mx3i at the moment for smallish money. Someone here recently mentioned them as being great speakers for Rock music
Never heard any of those speakers. The Focal Aria 906s are very good (big) standmounts, with power and scale, very easy to drive and I think they're pretty good at playing metal, rock and pop. I don't know if they fall under the "warm" category, though. Maybe your friend can give them a whirl and judge for himself.