Microsoft SharePoint Server 2010 is the business collaboration platform for the Enterprise and the Web that enables you to connect and empower people through an integrated set of rich features. Whether deployed on-premise or as a hosted service, SharePoint Server 2010 helps you cut costs with a unified infrastructure while allowing you to rapidly respond to your business needs.
Microsoft FAST Search Server 2010 for SharePoint Beta
Customers have historically been forced to choose between powerful, high-end search platforms or more mainstream, out-of the-box infrastructure solutions. FAST Search Server 2010 for SharePoint Beta provides a new choice: powerful high-end search delivered through SharePoint. FAST Search Server 2010 for SharePoint Beta combines a market leading enterprise search platform, plus the best of SharePoint with the simplicity and low TCO that customers have come to expect from Microsoft. The result is no-compromise enterprise search that provides a powerful user experience, that is highly capable and easy to manage, and gives customers the power to tackle the most demanding search requirements.

FAST Search Server 2010 for SharePoint Beta
For organizations looking to help users find information and expertise quickly and easily through a search capability able to address their most challenging needs - includes all the search features and integration capabilities of SharePoint Server 2010, plus a more engaging and conversational search experience, use of context to provide specific search experiences for different needs (such as departments or geographies), advanced content processing capabilities that create metadata and add structure to unstructured content, and deep platform flexibility, scalability, and extensibility. For use with SharePoint Server 2010 Enterprise Edition.

FAST Search Server 2010 for SharePoint Internet Sites
For customers looking to offer engaging and conversational search experiences on websites using SharePoint Server 2010 for Internet Sites - this product also adds powerful content processing that enhances the meaning and structure of your information, along with deep platform flexibility and search scalability. For use with SharePoint Server 2010 for Internet Sites, Enterprise Edition.

System Requirements: Supported Operating Systems: Windows 7; Windows Server 2003; Windows Server 2008; Windows Vista; Windows XP ; Windows Server 2008

Homepage: http://technet.microsoft.com/en-us/evalcenter/ee424282.aspx