is a text to speech application that allows you to have your computer read aloud PDF, Word, and text files and save the output in a variety of formats for importing into iTunes. While Mac OS X does have built-in text to speech capabilities in the Universal Access Preference Pane (VoiceOver), GhostReader adds more voices
(including various voices tailored to multiple European languages), allows you to modify how words are pronounced, and automates the conversion to audiobooks.
GhostReader 1.5 is $39.95 for one language; additional languages are extra
; a demo