I decided to start learning to use spirals and do more delicate fret cutting and though I have never completely sold on the spiral, I did find if the cuts are really small and delicate I still will go for the spiral blade to prevent the breakage. Because I do not use them all the time, I do find that it can still be a little difficult but I still can manage them pretty well. The part I dislike the most about them is the 'fuzzies' they create.
Dick
heppnerguy