Worth noting that the PS Audio PPP and previous units (300/500 etc) are not conditioners per se- they are regenerators. In my experience, the PPP is far more capable than my previous P300.
I don't use the PPP on my 8k's but it does take care of my Pio screen, SB+, G68, 598, Sky+ and 5kc. There was a quite noticable improvement in the Pio screen image. Not sure if this comes from the Sky+ being on the PPP or the Pio screen...or both.

Common sense really dictates that care is required with heavy loads. As ever...get a demo before committing.

Rgds,
Nick