The computer case have rubber feet, but i feel like is not enough. Anyone tried this: http://www.audiophileoutletstore.com/Arion-Audio-NEW-Pon-Tunes-Vibration-Control-Syste-p/ara-pt.htm
Single - those look interesting (& the price ain't bad); but I haven't tried them.
I have, however, tried Final Labs Daruma under my computer. They're a ball bearing item that lets it move similar (I think) to those. And I preferred cones under my computer. Obviously YMMV.
Please let us know how it goes, if you end up trying them.
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