Do you want high throughput?

The combination of BizTalk Server 2006 and SQL Server 2005 running on a Windows Server 2003 platform offers the industry’s best mission-critical functionality and availability, and achieves very high levels of performance. This document presents a customer that achieved unprecedented performance, scalability, flexibility and cost-effectiveness for a business-critical application within a large financial institution.

download from here 

BizTalk Server 2009 Beta Availability and beyond

The first public beta release of BizTalk Server 2009 is now available for download at http://connect.microsoft.com.
Some of the major themes of this version are the enhanced developer productivity and the significantly improved developer team experience through the integration with Microsoft’s application life-cycle management (ALM) solution: Visual Studio Team System and Team Foundation Server.
For more details, please refer to the press release.

Check this article  by David Worthington describes the main facntinality of Biztalk 2009