Could anyone elaborate on the high altitude issue? I recently moved from Louisiana to Colorado, and now it feels like I don't get enough air from my AirCurve 10. Some nights it's from the moment I turn the machine on, some nights it give ok pressure for about 30 seconds to a minute. Do I need to hav...

I would be interested in the dreamwear "half-face" masks.

I wouldn't think pressurized air could get into the external waterer bottle due to the fact that the hose would be under the water level in the main chamber?

For anyone who's familiar with the SoClean, the humidifier cover for that has a built-in penetration with a tube that sits below the max fill line already in place. I think that cover with an "animal feeder" type bottle would work perfect.

You may try using a sinus rinse/flush, not just a saline spray. I had severe sinus problems for years, improved slightly by surgery. Almost all of my congestion cleared up after using a saline flush regularly.