Aha! See I knew the spousal question would uncover something. I had a mask that didn't have a diffuser and had forgotten about the airstream. I am surprised they all don't use a diffuser by now. Anyway. Ill check out the P10 and the new one you linked in your first response. Hopefully they both have...

Wowzer! Fast response and detailed, thanks.
The wife question was just incase there was an opinion from a spouse that mattered in the scheme of things: "I think its noisy" " you gasp, grind teeth, etcc"

It was of no value to me at all. The only difference I noticed was that when I shower now water can run down the back of my nasal passage and it never did before. However, the volume of air I can get through my nose has NOT changed. Unless I am calm, ...if I am in anyway short of breath, then I cann...

BACKGROUND: I have used nasal pillows with a headstrap since 2001. The TAP PAP looks interesting: Questions : 1. Is it quieter or louder than a ResMed swift nasal pillow mask? 2. Can you easily sleep on your side? 3. Does your spouse have an opinion about this mask as opposed to another mask you hav...