Learn SharePoint Search with Videos on Enterprise Search

I got some very good videos on Enterprise Search in SharePoint. Here is the link for the videos:

Workshop Overview

Enterprise Search Overview

SharePoint Search 2007 Walkthrough

Search Architecture and Deployment Scenarios

Crawl and Query Processes

Relevance Ranking

Customizing the End-User Experience

Developing Search Solutions

Business Data Catalog Search

Extensibility and Integration for Search

Search Administration

Security for Search

Performance Scalability and Capacity Planning for Search

Search Operations