General Things

• The wiki could have a collection of code macros, which could be browsed when creating pages.
• Data components could be connected together.
• Pages could be laid out fancily.
• Page components could be server-side and javascript-driven, or Java/Flash/Whatever applets

Navigation

• Flash applet that lets you navigate the tree of pages
• Hierarchical view on the left side

Categorization

• Drag things around (jQuery style!)

Storage

• CouchDB
• Tokyo Cabinet (for portability)