I have found what I believe a bug in July 9, 2009's MacTeX. Namely, the variable $TEXMFHOME is set to /Users/koch/Library/texmf instead of ~/Library/texmf, in the personal texmf file /usr/local/ texlive/2009/texmf.cnf. Cheers, Artemio Gonzalez Lopez artemiog at me.com