Sonically, they do nothing, which is perfect for me.
Season with footers as desired.
Esthetically, they certainly look no worse than a mis-mash of audio gear.
You can dress them up a bit by changing the top shelf and adding more attractive footers (see my system).
I suggest calling Debbie or Bob and they may be able to send you some system pics from their clients.
Regarding adaptability, the shelf height is fixed per your order but the component support bars are adjustable horizontally to accommodate different footer widths.
Season with footers as desired.
Esthetically, they certainly look no worse than a mis-mash of audio gear.
You can dress them up a bit by changing the top shelf and adding more attractive footers (see my system).
I suggest calling Debbie or Bob and they may be able to send you some system pics from their clients.
Regarding adaptability, the shelf height is fixed per your order but the component support bars are adjustable horizontally to accommodate different footer widths.