FYI, I put up freshly-compiled Zope3 pyds for Windows, at the usual place;
http://www.zope.org/Members/tim_one/
Files:
Zope3-pyd.zip (use only with a 2.3 Python; compiled against 2.3.5)
Zope3-Py2.4-pyd.zip (use onlly with a 2.4 Python; compiled against 2.4)