Security stuff
Michael Howard - "How Do I?" Videos for Security
Schneier on Security - N-DEx National Intelligence System

Debugging stuff
Tess - .NET Case Study: Stackoverflow Exception when using a complex rowfilter
Sasha Goldshtein - TechEd 2008: Next Generation Production Debugging … sounds like a good talk

Other stuff
Sahil Malik - Announcing the release of SPRSS
Sara Ford - Did you know... You can do multi-column sorting (secondary sort, etc.) in both the Error List and Task List - #183
Andre van der Colff - Faster string building
Scott Hanselman - Hanselminutes Podcast 106 - Inside Outsourcing
John Howard - How to add the Hyper-V role to a Windows Server 2008 Server Core machine
Frank Kelly - It does not take a Superstar - Developer types enumerated
H. Steele Price, IV - ProfileCommon in WebApps fixed quite easily with no addins required
Kenny Kerr - Some exciting news for C++ developers and Window Clippings 2.1: How to Install
Steven Smith - Two Kinds of Knowledge
WireShark News - Wireshark 1.0 Released

Web stuff
Dion Almaer - Browser CSS float error detection with jQuery and Help Debug Firebug and Helpful JavaScript Date Operations
Dave Sussman - Dynamically Selecting Theme or Master Page
Microsoft Downloads - HTTPREPLAY is a SOCKTRC plugin allowing to analyze and replay HTTP traffic and STRACE is a socket/SSL tracer designed to generate LOG for Internet Explorer
Steven Smith - Tweak web.config To Set Compilation Debug False

Other link blogs
Alvin Ashcraft - Dew Drop - March 30, 2008 and Dew Drop - March 31, 2008
Mike Gunderloy - Double Shot #176
Arjan Zuidhof - LINKBLOG for March 29, 2008
Steve Pietrek - Links (3/30/2008)
David Vidmar - Links of the Week #30 (week 13/2008)
Matt - Links Today (2008-03-30)
Chris Alcock - The Morning Brew #62
Rhonda Tipton - Weekly Link Post 35

Career stuff
Zen Habits - Life Coding: 9 Ways to Fight Feature Creep in Our Lives

Database stuff
Simon Sabin - SQL Server 2008 - HierarchyId whats the point?