There's a thread on Apple's Discussion Boards suggesting that Mac OS X 10.6.7 introduces issues with OpenType PostScript fonts when it comes to printing and PDF handling. Kurt Lang writes:
"As soon as you install 10.6.7, OpenType PostScript fonts are indeed broken [the issue] is confined to OT PS fonts. All PDF files, including those using OpenType PostScript fonts display correctly in Preview. With the Acrobat Reader, all PDF files display correctly except those using OT PS fonts. So no matter who gets PDF
