Apologies if this has already been debated/discussed extensively, but ...
... in my experience with (beautiful) Barenreiter editions a quality that I feel
most striking is the 'old-fashioned' look -- there are seldom razor sharp
staff-lines (as tend to be produced by laser printers). Instead, it seems,
minute variations ('imperfections') in print add a warmth ... and it's this
warmth that I feel is most lacking in lilypond output.
Wouldn't it be fairly easy add an 'soft/irregular edge' command to the
typesetting system?