U2U Resource Center

The .NET Architecture Center has a lot of interesting material, including the Microsoft Architects Journal and the Patterns & Practices books and papers.

The Server Side .NET is also a very good resource on all things concerning .NET enterprise development.

ASP.NET code examples, downloadable code, ...

C# code examples, downloadable code, ...

Pat Helland explores Service Oriented Architecture, and the differences between data inside and data outside the service boundary. Additionally, he examines the strengths and weaknesses of objects, SQL, and XML as different representations of data, and compares and contrasts these models.

Site focused on the use of FrontPage 2003 to customize SharePoint.