Kitabu: An Open Source and extremely fast guestbook

[eluser]Yorick Peterse[/eluser]
Kitabu is an easy to use and fast guestbook build using CodeIgniter. The goal of Kitabu is to become one of the best and easiest to use guestbooks currently available (though that may still take some time).

I started working on Kitabu 2 weeks ago and so far it's pretty mature. A list of current and upcoming features can be seen below.

Current features

* Gravatar support
* Changable Gravatar size (current size is 50x50 pixels)
* Changable site settings, such as name, keywords and description.
* Notifications (new in 0.7b1)
* Comment moderation (admins only)
* User moderation (admins only)
* Lightweight
* Secure

Upcoming features

* Plugin support
* Ajax powered backend (currently only comment moderation is Ajax powered)
* Extra security
* Extra speed
* Emoticon support
* TinyMCE support

Screenshots

* Main screen (when logged in): http://i43.tinypic.com/ws8nj5.jpg
* Manage users: http://i41.tinypic.com/2ibes6q.jpg
* Add a comment (with an error): http://i43.tinypic.com/2955013.jpg

The project itself is hosted on Google Code: http://code.google.com/p/kitabu/
The latest version can be downloaded here: http://code.google.com/p/kitabu/downloads/list

Please note that I am currently looking for 1 or 2 other PHP developers out there who are interested in developing this project with me, so if you are interested feel free to reply here

p.s. Yes, you may also reply even though you are not interested in developing the system.