Not to dispute your (very credible) assertion that it's more suitable for common use than hiragana, can katakana express more tonal subtlety than hiragana? Are

Not to dispute your (very credible) assertion that it's more suitable for common use than hiragana, can katakana express more tonal subtlety than hiragana? Are there words for which it would be preferable to use hiragana for legibility reasons? Are both used together in compliment to express an even wider range of verbal tones?