Budget and any other constraints, such as size of speakers, can they be floorstanding, and size of room. B&W 303 are good if he needs a small speaker and the room isn't too big.
Since he's a doctor(=$$$...$) look into the top end Cabasse $4K to $13K (a french lab but drivers made in Georgia) as well as Ambience a Australian lab making a solid wood cabinet hybred Ribbon $6K call Darryl in Austin Tx. Digital Systems (he is listed as a Kora Dealer for his p#) You'll only hear of these from me.
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