Continuous Integration (CI) is a process whereby as items are checked in, builds and unit tests are kicked off to ensure that if something is checked in that breaks the system (either in the build or the unit tests) you know it right away. This is a great technique and can avoid the embarrassing phone calls or ‘meeting’s if you break the nightly build.
In VS2005 Team System, you don’t have a built-in way to do CI but you can use CruseControl.Net to implement it. Now for my next plug, VS2008 Team System will have it built in!!! I can’t wait!