Alex Kipman - MSBuild PM (rss):
Differences between MSBuild and Ant, Targeting the 1.1 runtime with MSBuild, MSBuild and Monad
Jeff Callahan - MSBuild Tester (rss)
John Lam on MSBuild and in his newsletter (rss)
Robert Horvick on MSBuild (rss)
Jamie Cansdale on MSBuild (rss)
MSBuild Explorers Team WebLog (rss)
Mike Taulty:
MSBuild and Listing Tasks in VS.NET 2005 Beta 1, Getting Started with MSBuild
Presentations
MSBuild on MSDN TV
Christophe Nasarre on MSDN
Overview of MSBuild, Part 1: From a Project Author's Perspective
Overview of MSBuild, Part 2: From the Task Author's Perspective
Overview of MSBuild, Part 3: What Is the Limit to Extensibility?
GotDotNet User Sample: .NET Solution Build & Deployment Process & Tools
Does your blog have an MSBuild category? What MSBuild resources have I missed? Please comment here with links.
Update: Thanks Slavo Furman for more links
Source: http://weblogs.asp.net/nunitaddin/archive/2004/07/09/178368.aspx