I'm trying to tweak my RPTV (Mits 55805). Currently, I using one Richard Gray Power unit for the TV. I have three others for the front end components and amps. The RGP helped in terms of colors, blacks and sharpness...but I'm trying to tweak the system to remove the background noise. WOuld a PS Audio 300 be a better fit than a RGP for the TV or should I add a PS Ulimate outlet with the RGP? I'm going to install a FIM electrical outlet next week to see if that helps too. Any suggestions? Thanks Ron PS: The TV has been ISF calibrated too.