StuffIt Deluxe 2009

you can easily compress photos, MP3s, PDFs, and Microsoft Office documents by up to 98 percent of their original size.

Let you peek into an archive without having to uncompress it from within Mail, the Finder, or any application that supports Quick Look.

Optimized compressors are specifically targeted for maximum efficency with MP3s, PDFs, iWorks files and Microsoft Office documents, emails, and presentations.