Hello, Laura:
For those who just want to see the pdf's and not read the whole
thread, I've posted links to them on my blog
<http://www.laymusic.org/blosxom-static/publishing>.
Thanks! That is quite a helpful investigation...
Surprisingly, Finale makes quite a good showing in this case --
certainly (to my eye) the least number of glaring problems of the
non-Lilypond bunch. The two cases where it clearly trounces Lilypond (in
this example) is the spacing between bars and music which begins with an
accidental (q.v., m 2, 3, 6),