Naim Cd Players

Actually it must have been from the mid 80's as it was a CD based system.

Checking with Naim-audio.com. The earliest amp was made in 1971. Earliest CD player 1992.
Great website, great products, great support. I would recommend Naim.

I have owned a number of Naim CD players and still do. I currently have a CD5/Flatcap2 in the Series 5 system that we use in our bedroom (Neat Petite speakers) and a CDS2/XPS in the big Naim system that we use in our family room. I sold my second CDS2/XPS that I was using in my reference system and replaced it with the far less expensive and superior Resolution Audio Opus 21.

Both Naim and Resolution Audio offer exceptional service.

how does this compare to other famous ones- Wadia, levinson, meridian, accuphase?

Not in the same league as the players you mentioned above.
For starters, highly recommending Meridian and Marantz.