Steve Freeman provides this article on how playing music relates to programming.

Kent Beck discusses the use of abstractions versus concrete parameters and why each is usable given the right context in this article.

Dean Wampler discusses a couple of good principles for dealing with configuration management on a large scale including use of commercial and open source management tools in this article.

A catalog of common issues individuals and teams run into while doing TDD on their projects is well under way in this blog entry.

Lisa Crispin provides a couple of good stories about her experience on teams and the ratio of testers to developers in this blog entry.

Mark Levison captures some good references from thought leaders in the Agile community on what constitutes a good test in this blog entry.

The use of exploratory testing along with unit-level test-driven development is asserted as potentially more valuable than automated acceptance testing in this article from Brian Marick.

This email sent to a discussion forum discusses the experiences of a company with 27 development teams using Agile methods.

Test execution beyond the traditional use of developer unit tests in the Agile community has been debated. Elisabeth Hendrickson has a great article shared on her blog here.

Here is the video of Brian Marick’s keynote talk at Agile Development Practices 2008.