Serge’s Tips
These are all quick visual to-do's so do not be intimidated.
Creating a Custom Search Page and Tabs in the Search Center of SharePoint Server
Creating and Exposing Managed Properties in the Advanced Search Page of SharePoint Server Enterprise Search
Creating and Exposing Search Scopes in SharePoint Server 2007 Enterprise Search
Creating Business Data Catalog Entities in SharePoint Server 2007
Creating Content Sources to Crawl Business Data in SharePoint Server 2007 Enterprise Search
Creating Managed-Code UDFs for Excel Services
Filtering One Business Data Catalog List from Another by Using Associations in SharePoint Server 2007
Refining Business Data Catalog Search with Scopes
Retrieving an Entire Workbook or a Snapshot of a Workbook in Excel Services
Using Business Data Catalog Actions to Pass Parameters to InfoPath 2007 Browser Forms