Good starting Point for brainding a  SharePoint 2010 site is:

Walkthrough - Creating a Web Part for Share Point 2010 (with Visual Studio)

To configure the Share Point 2010 Navigation in the Top Link Bar you can find a good explainaition in the following MS document:
The configuration is different if you the "Publishing Features" are enabled or not!

How To Customize The Search Center (german)

Creating Search Scopes with PS:

Simple Guide to Moving SharePoint Content Databases to a New Server 
This is a good +/- step by step tutorial by Dan Holme

 Share Point Community DE 
 Share Point UserGroup CH