Since John Cowan started --aroused -- interest in flexible nibs, I've wondered how often a nib's flexibility has made a difference to pen buyers and users. Two questions: does a nib's flexibility make a difference to you? Also, is there a continuum from rigid to flexible, or should we just limit it to "rigid" "semi-flex" and "Flexible?" OK, another question--has anyone found a steel nib with flex? Thanks.