[Doubleneck]

I would tend to not be quite so concerned with the stability of CA guitars as Larry, but I am sure I do not play as much as he does. For the average player the stainless steel fret will last a very long time, I would imagine my lifetime, but I am 59 years old at this point. But I have never had to refret my highschool guitar, a Gibson J-45 but have had many other issues that had to be addressed over the years. CA necks do flex but by a very small amount at least on my Legacy. If I have light guage strings on it, it is slightly under 6/64 on the low E. Mediums will take it just slightly over 6/64. If I had a trust rod I doubt that I would make an adjustment cause it is really fine tuning. If you are a professional I can see how this could be an issue but for the vast majority of players I doubt that it would be. I think the questioning of the stability of a carbon neck is a bit of a stretch. I am not loosing sleep over that one.
Steve