They already have the following for download:
vBulletin Manual
The vBulletin Manual offers a complete guide to installation and usage of the product, including a comprehensive guide configuring vBulletin and the control panel.
vBulletin Template Reference
This document gives a full breakdown of the vBulletin templates, on a per-file basis, and details about how to use the vBulletin template system.
vBulletin Entity - Relationship Diagram and Database Schema
This document describes the full database structure found in vBulletin 2.0, including column types and database relationships. Not for the feint hearted!
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