Other stuff
Greg Duncan - ".NET 3.5 Enhancements" Training Kit Available (Hands on Labs) and APIFinder - The 411 for API's
Pieter - #4 - Shelving
Sasha Goldshtein - Design for Performance Up-Front?
Jon Galloway - Encrypting Passwords in a .NET app.config File
Sahil Malik - Host a WCF Service in IIS 7 & Windows 2008 - The right way and What is WCF? and Writing the WCF Hello World App and Writing your first WCF client
ambrose - Just Do It! or: How I Learned to Stop Worrying and Love the Job
Papenoo pa - Msmq Explorer
Rocky Lhotka - My philosophy on using new technologies
Walt Fair Jr. - Numerical Laplace Transforms and Inverse Transforms in C#
Julien - Summary: Parallel FX library
Ayende Rahien - The cost of abstraction - Part II and The cost of abstraction - Part III
CodeWizard1951 - WinInet Test Application

Web stuff
Nikhil Kothari - Ajax Templates

Debugging stuff
Tom - ASP.NET Tips: Debugger command you may not know about - procinfo

Career stuff
Mitchell York - Changing Careers in Mid-Life and If you Want to Become an Entrepreneur, Check your Ego at the Door

Other link blogs
Alvin Ashcraft - Dew Drop - April 12, 2008 and Dew Drop - April 13, 2008
Arjan Zuidhof - LINKBLOG for April 12, 2008 and LINKBLOG for April 13, 2008