This is sweet! Martin Woodward of Teamprise, a great guy I met earlier this week at TechEd Boston, explains how to set up CI for CodePlex projects using CruiseControl.NET.
Since I began working on the Team System (and thereafter), I've been wondering how long it would take for an open source equivalent to emerge. Subversion-NUnit-NAnt-CruiseControl. Today, a friend on the VSTS team mused that it was surprising this hasn't happened yet. Is such a project afoot?