The darumas with some heavy weight on top as stated will make a world of difference. The darumas are great but on their own, each time that you input or press a button in the CDP/transport, you will be shifting the Darumas out of alignment. So, I use some sort of weight to weight the transport down. This will solve the major vibration problems you have. I do not believe too much in a sorbotane or another maleable based vibration control. In order to make it perform as stated, most of the times, you will need the unit with the problem to be of a certain weight, or else, it will just sit on top of these sort of footers. Most famous of this sort of devices are the Audioquest little/regular footers.
or...
Change the location of the problem unit away from the epicenter of this problem, as someone pointed out.
or...
Change the location of the problem unit away from the epicenter of this problem, as someone pointed out.