See here: http://makemusic.custhelp.com/app/answers/detail/a_id/4084/

What you have heard from trumpet players regarding having their parts in C is generally consistent with my experience too.

This is the more secure option since other accidentals, music spacing, etc, will respect it as an accidental. But, still, quite a pain if there are a lot of these. I guess that's what QuicKeys is...

Friends, In your experience, what is the best way to input quarter-tone accidentals? I do not need accurate playback; consistent positioning (like regular accidentals) is more important.

Believe it or not, Sibelius includes a coffee-stain manuscript paper texture. No joke. As for the main topic, well, that's why they're students.