Want to know some of the key changes and features?

New User Interface including new Ribbon
Office 2007 style ribbon interface

Web Edit
Allows users to easily customize a site

Silverlight Web Part
Easy Silverlight solutions into SharePoint

Rich Theming
Few office-style themes, just like in Word and PowerPoint.

Multiple Browser Support
IE 7-8, Firefox and Safari. No news about Chrome and Opera

Visio Services
Lets you share data linked diagrams in real time

SharePoint Designer
Comes with a new UI, improved workflow and improved collaboration between designers

Business Connectivity Services (the evolution of the Business Data Catalog)

SharePoint Workspace
Incorporate offline-online synchronizations

Rich Media Support
No matter what type of rich media you’re using, SharePoint 2010 will make your life easier

For IT Professionals

Streamlined Central Administration
Much better organized Central Administration site

SharePoint Best Practices Analyzer
Farm health monitoring at its best with “Problems and Solutions” page

Usage Reporting and Logging
Consolidated logging and usage reporting capabilities

Large List Resource Throttling
Performance management of big lists of thousands and millions of items

Unattached Content Database Recovery
Allows temporary use of content databases, useful for recovery and restore purposes

Visual Upgrade
Easy migration from 2007 to 2010 while retaining the 2007 themes and UI