These are both Naim NAIT 2s. The top one is the older cosmetics. The bottom one is the newer cosmetics and is the style I personally owned. I believe the switch was made around 1991.
I had a couple of guys state on my Facebook page that they prefer the older cosmetics. I like the newer version by far. But let's put it to a vote! Just vote OLD or NEW in the comments section of this article. I'll keep a running tally.