While we're on the subject of AudioBooks, check out:
These are FREE, downloadable Public-Domain mp3 recordings of classic works that have outlived their copyright restrictions. Volunteers record chapters or portions of the works as available from Project Gutenberg. I've been impressed by the general quality of the reading; it's definitely exceeded my expectations.
I should also add that for those reading this thread, Pocket Tunes is not obligatory-- any MP3 player will work. Why, you could even use an iPod!
however, offer this fantastic skin
that is great for using with audiobooks...