Lions Go Roar ยป Update Notifier Update Notifier is a WordPress plugin that sends daily email notifications to the admin if there is a new version of WordPress available for download. Notifications about updates for plugins and themes can also be sent.
Geeky bits in WordPress 2.9 – Yoast A list of all upcoming interesting features of WordPress 2.9 for developers and users. Web Design WordPress function list A nice ordered list about WordPress functions. It can be helpful in parallel with the codex.
Sidebar (widget area) descriptions in WordPress 2.9 WordPress 2.9 will allow theme developers to add a description for each widget area. Here is how to add it
20+ Brand New and Incredibly Useful WordPress Plugins – Nettuts+ A list of 21 Useful WordPress Plugins, from styling to security.