ultimate

1. Title must be optional.
2. Saving must be automatic.
3. Must allow multiple edit tabs to be open at once.
4. Tagging and crossreferencing preferred.

For me, it should be the one place for everything. This implies, if done with one content type, possibly having an optional date field, a private textarea...

Background:

Ideally the tabs would be vertical, and somehow in the application, but really it can just use the browser's tabs.