Naim Cups & Balls vs. Dome Nuts under glass sheets under components?

[JimDog]

If you have compared the effect on sound quality of Naim Cups & Balls vs. Dome Nuts under glass sheets under components, please report your findings here.

[Blackbird]

The Naim cups and balls are not that expensive and they look wonderful and can be ordered by any naim retailer/distributor. Their design is also made so that the ball only rest at three positions on the cup. To my eyes they contribute a lot to the overall looks of the rack.