Best Isolation Device for Speakers?


Has anyone had a chance to directly compare different speaker isolation tweaks? I am wondering because of the recent thread on the Sistrum stand. I know that many of these things have been discussed in other posts, but there is not alot of direct comparison among them. I suspect that most of these are excellent, so if anyone has some information on their specific sonic impact, that would be helpful. I have a pair of Thiel 7.2s. Some of the ones I am considering:

Aurios Pro
Sistrum Speaker Stand
Mana Speaker Stand
Stillpoints
Audiopoints

Thanks,
Rob
rtn1

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Not sure how a thread from 18 years ago got revived.  
The OP (hope he is still with us) mentioned sistrum stands, which actually couple, not decouple.  I had some as 20” speaker stands and now use them to get my subs off the floor, to great effect.  
I don’t however understand how decoupling speakers is beneficial, except to help isolate a turntable.  My speakers internally decouple the mid/tweeter, but I always thought the vibration from woofers should sink into the floors, rather than stay inside the cabinet.  Maybe the spring type action turns vibration into heat, and only transfers energy in one direction, so as not to allow drivers to push speaker back, etc.