In the 12 December 2006 release of SQL Server Books Online, the following topics have either been added or updated.
New Conceptual and Task Topics
Updated Conceptual and Task Topics
How to: Create a Full-Text Catalog (SQL Server Management Studio)
How to: Rebuild a Full-Text Catalog (SQL Server Management Studio)
How to: Rebuild All Full-Text Catalogs of a Database (SQL Server Management Studio)
Configuring Thesaurus Files
Full-Text Search How-to Topics
How to: Enable a Table for Full-Text Indexing (SQL Server Management Studio)
Microsoft Full-Text Engine for SQL Server