Art Dudley has posted a review of the upgrade to the Naim Nait integrated amplifier ($1195) in his Listening column at Stereophile. His conclusions:
“With reservations, I would tend to put the vintage-Naim movement in the last category, with perhaps a smidge of the first category mixed in—my reservations pertaining to the notion that the sizes of early Naim components were more sensible, more attractive, less conspicuously male than the stuff they now make.”
You can read the full review here.