#wp
wpSearch
WordPress search engine based on Lucene. Sounds pretty solid.
WPCandy
WordPress Themes, Plugins, Tips, and Tricks
WordPress Editor Extender | The Book and the Cover
WordPress Editor Extender | The Book and the Cover
Plugin to bring back the extended/advanced buttons on the editor in WordPress.
Custom Queries « WordPress Codex
Custom Queries « WordPress Codex
Covers how to modify or create completely custom queries within WordPress. Includes quick detail on creating custom Rewrite Rules.
WordPress Plugins | alexking.org
WordPress Plugins | alexking.org
List of good WordPress plugins. Especially Mobile Edition might be handy.