Go forth and download:

• Visual Studio 2008 Express Editions with Service Pack 1 (Bootstrappers)
• Visual Studio 2008 Express Editions with Service Pack 1 (iso)
• Visual Studio 2008 Service Pack 1 (Bootstrapper)
• Visual Studio 2008 Service Pack 1 (iso)
• Visual Studio  Team System 2008 Team Foundation Server Service Pack 1
• .NET Framework 3.5 Service Pack 1

A few value-adds:

• The .NET Client Profile, which drastically reduces the size of the .NET Framework (by over 86%!) to allow for ease of deployment for .NET applications
• Support for SQL Server 2008 both in Visual Studio and through features such as the ADO.NET Data Services and ADO.NET Entity Framework
• Multiple enhancements to ASP.NET and TFS.  The performance and reliability issues we fixed in Visual Studio gives increased productivity to all developers.