Maybe this is old news to some, I know I heard about it a while back but I just now checked it out...Bose created a crazy suspension system that's just unbelieveble...check it out:
http://www.bose.com/controller;jsessionid=BGRy6p2XfsvqGVr2Lx0QgR11N63NRX9SqhYZyml8np7pNj1RGdDm!-1885516663!-916327495!1103401266058?event=VIEW_STATIC_PAGE_EVENT&url=/learning/project_sound/bose_suspension.jsp&pageName=/cgi-bin/htsearch
Watch the video of the bump test track...