my guess is that the CF shafts market is heading into two directions:
1. The custom made route - for those who seek "wooden feel" and used to play with standard solid wooden shafts, so higher deflection is not a big issue, these guys look for feel over performance, they fall into the category of "can't teach new tricks to old dogs"
2. The performance route - here you'll find the big manufacturers, it all about performance, power delivery and deflection reduction, you just get used to the feel with time and practice.
Pretty much like the world of pool was 30 years ago when Predator came out with the 314 shaft, it gave performance yet many old timers didn't like how it felt... few years later and other companies jumped the low deflection and performance wagon and most serious players adapted to performance shafts. Same today, the serious players will go with performance shafts, old dogs and collectors will go with the "feel" route.
I'm disregarding the 3rd route - the cheap crap that doesn't give performance or feel...