Bookz a very simple reader that is designed to handle unformatted text files. But its unique features are:
- An internet browser that can download any .txt file found on a website
- Integrated search form for the Project Gutenberg library.
Commercial ($5, 4E)

- Wide choice of fonts and size. Night mode.
- Ability to use background images.
- Handles big files, bookmarks.

- No per-book preferences.
- No support of ebook formats.
Early verdict the day after:
Handy utility if you read txt files (gamefaqs.com, ...), one of the few not requiring any server or account to get more documents on the go.