Best Practices for SharePoint 2010 Search

T18: In this session, Agnes answers the following questions:
When is it enough to deploy the out-of-the-box SharePoint Search, and when do you need to install FAST Search Server as well?
When is it useful to use SharePoint 2010 as a search engine, and when you should federate?
SharePoint 2010 Search - FAST Search - Federation comparison matrix
Why is it necessary to deploy more than one Search site?
Why is it important to invest the information architecture in order to achieve and effective search architecture?
What is the connection between the metadata management and Enterprise Search? Best practices of creating a Seach-friendly taxonomy.