Website: http://pypi.python.org/pypi/zc.buildout
Source for demo material: http://rhodesmill.org/brandon/buildout/
bootstrap.py: http://svn.zope.org/*checkout*/zc.buildout/trunk/bootstrap/bootstrap.py
Background information:
[http://peak.telecommunity.com/DevCenter/PythonEggs Python Eggs]
[http://peak.telecommunity.com/DevCenter/EasyInstall Easy Install]
[http://peak.telecommunity.com/DevCenter/setuptools setuptools]
Using buildout with Plone: http://plone.org/documentation/tutorial/buildout/