Look at the Vandersteen VLR Wood. It should be a great match to the Naim and can be found (occasionally) in your price range. New they are $1650. Here is a review:
https://www.vandersteen.com/media/files/Tone%20Audio%20VLR%20Review%202015.pdf
https://www.vandersteen.com/media/files/Tone%20Audio%20VLR%20Review%202015.pdf