Now that you mention it - I am prone to headaches (though I think a lot of it is because I've been breathing too shallow trying to control my bouyancy)... guess I'll mention this when I go to scubatoys.
You could also go with a cold water reg like the sherwood blizzard that has those vanes that collect moisture. My son has one that I use occaisionally while he's in the desert(Texas not Iraq) and it seems to give me less dry mouth than my oceanic delta 3. Now there's a good reg although it's been replaced by the delta 4, which I'm not overly impressed with. Larry awhile back had a couple leftover titanium 3's that he was letting go at a really good price. Don't know if he still has them.
Anyone try those bio-filter things you can add water to to increase humidity? Looks like a good idea (though it also looks like they would get in the way in the pics I've seen... kinda awkward the way they attach to the first stage).
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Another failure point. Thought about it myself along with a swivel for my second until I saw my instructors swivel leak.:11: Not that important as a proper fitting mouthpiece.
The replies since I reworded have been great everyone - thanks!!!
You're welcome! Don't lock yourself into one brand I have A sherwood brut(my first reg and now my pony reg cause I trust it in a critical situation). An aqualung sea2(which I keep as a backup second stage the first from it is for my argon bottle) An oceanic delta 3(my primary) and enough parts to put together another reg if I use one of my sherwood shadow octos.And my son's blizzard. I have all of these due to price, opportunity, and need. Would I trust all of these as a primary? Yes. Do they all breathe well? Yes. But the delta breathes best followed by the Blizzard, next the Brut, and finally the aqualung. Granted it's older and reg technology has come along way since it was new but again it's all a matter of personal preference and budget. One thing I would advise though is to get one that's enviromentally sealed. :05: You may not always want to dive in warm water or in crystal clear conditions. If you can afford it spend the money now rather than having it retrofitted later. Of course most good ones now are but be sure to ask.
I know old-timers can get very tired of the same questions being asked over and over - I appreciate the patience etc.