Other stuff
Mike Taulty - "Advanced Windows Debugging"
Bill's House O Imsomnia - "I don't know" is an answer we should hear more often
Rick Strahl - Tags in XML Comments in C#
The Moth - Code signing
John Robbins - Code Signing – It’s Cheaper and Easier than You Thought
JD Meier - CodePlex, GE, and MSDN
Aaron Stebner - Creating an administrative install point for the .NET Framework 3.0 SP1
Sara Ford - Did you know... You can hide the Visual Studio status bar?
Harry Pierson - F# PEG Parser Next Steps and Practical F# Parsing: Semantic Productions (2)
Thomas Dorr - Lexware Assembly Reference Tool for Visual Studio 2005 / 2008
Greg Duncan - Microsoft Developer Highway Code eBook Updated
Microsoft Downloads - Microsoft Windows Server 2003 TCP/IP Implementation Details
Jeff Alexander - Windows Home Server - My Story

Other link blogs
Matt - 4 Links Today (2007-12-20) and 6 Links Today (2007-12-21)
Alvin Ashcraft - Daily Bits - December 21, 2007 (Early Edition)
Christopher Steen - Link Listing - December 20, 2007
Arjan Zuidhof - LINKBLOG for December 21, 2007
Steve Pietrek - Links (12/20/2007)
Trumpi - Our daily link (2007-12-20)
Mike Gunderloy - The Daily Grind 1300

Web stuff
Dino Esposito - Aspects of AJAX
Ayende Rahien - Cross Site Scripting and letting the framework deal with it
Scott Hanselman - How-To: New ASP.NET 3.5 Extensions Video Screencasts
Rey Bango - Packing Down Prototype
Ken Cox - Update the web.config file to move an ASP.NET 2.0 Site to ASP.NET 3.5

Career stuff
Freelance Switch - How To Apply What You Learned In 2007 For Continued Success in 2008
Rejesh Setty - Questionable reasons to become an entrepreneur #2 - You want to get out of the box and Questionable reasons to become an entrepreneur #3 - I can make a ton of money

Database stuff
J Chang - Server Sizing for SQL Server 2000 and 2005
K Kline - SQLDumper