Database stuff
Microsoft Downloads - Feature Pack for SQL Server 2005 Feb 2007
Security stuff
Schneier on Security - Network Insecurities at the FBI
Web stuff
Dave Burke - ASP.NET Ajax and Community Server: Getting Started
Silverlight stuff
Robert Pickering - Life, F# and Silverlight
Wally McClure - Silverlight Streaming
Debugging stuff
Mike Stall - Techniques for Debugging IL
Career stuff
Kirk Allen Evans - What Technologies Should I Focus On? … something I often ask myself ...