Making your developer life easier stuff
Bsimser - Breathing new life into Tree Surgeon
via Mike Gunderloy The Daily Grind 1113 - How to Interpret Windows Installer Logs

Debugging stuff
Jundeng Zhang - Connect Kernel Debugger to a Virtual PC/Virtual Server virtual machine
Tess - Things to ignore when debugging an ASP.NET Hang - Update for .NET 2.0

Web stuff
Mike Ormond - Hacking AJAX Applications

Other stuff
Nicholas Allen - Optional Interfaces on Binding Elements
CE Base - Anatomy of a perf investigation [Perf people do dumb stuff too]
Aaron Skonnard - WCF Performance Comparisons

Career stuff
Scott Hanselman - Programmers, keep your wits about you and Code Mindfully