Here is a better list of the BTS 2004 webcasts this week (STARTING TODAY).

Getting up to speed with BizTalk Server 2004 for the Visual Studio .NET Developer - Level 200
March 2, 9:00 A.M.

Biztalk Server 2004 Architecture - Level 300
March 3, 11:00 A.M.

Biztalk Server 2004 Orchestration for the Visual Studio .NET Developer
March 3, 9:00 A.M.

BizTalk Server 2004 Performance and Early Adopter Experiences - Level 200
March 3, 1:00 P.M.

Using Web Services with BizTalk Server 2004
March 4, 9:00 A.M.

BizTalk Server 2004 Business Rules for the Visual Studio .NET Developer
March 4, 1:00 P.M.

Integrating BizTalk Server 2004 with SharePoint
March 5, 9:00 A.M.

Extending Mainframe Applications using BizTalk Server 2004 and Host Integration 2004
March 5, 11:00 A.M.