If active vibration is tackled correctly the isolation platform will be made specifically for the device being placed upon it.  We came across a US company called SRA (Silent Running Audio), who build what we thought was one of the best isolation systems in the marketplace.

Here is their web site, I would suggest anyone ineterested in this subject to check it out (especially sections on why they are called Silent Running per the link to nuclear submarines):

http://www.silentrunningaudio.com/home.htm

Kevin at SRA is also a great guy to deal with too.