"Never understood why people don’t like coasters for the racks."
Simple. Rollers do not stop vibration.
"Not sure the isolation value is all that meaningful," I am 100% sure that isolation is meaningful even if not using a tt.
Any racks that use coasters/ wheels ?
I know salamander does racks with coasters but are there any others?
Never understood why people don't like coasters for the racks. It's impossible to move a rack after being populated with components without major effort. Not sure the isolation value is all that meaningful, ie. Not using coasters. Unless you got a turntable