Ref 6SE. Tube dampers

Well I first want to say thank you for all those who gave their opinions about my last post about tube micophonics / tube dampers for my Audio Research REF 750s. This question is for my Audio Research REF 6SE about tube dampers. I am looking into purchasing and upgrading the stock dampers with the Herbies tube Ultrasonic RX dampers for my 6 - 6H30 tubes in the gain stage and adding the HALO-111 stabilizer damper to the 6H30 and 6550 for the power supply. My question is would this be beneficial to add tube dampers to the power supply tubes on a pre amp ? I really read a lot of great things about Herbies tube dampers, but nothing really on the power supply tubes. BTW Audio Research does not use dampers on the power supply tubes. Thanks