When importing this version I find a dependency on PyTz and
> DateUtil. After inspecting you mail archive I found urls
> for these packages but as a Windows user I am unable
> uncompress the DateUtil archive files.
This was a bug in the creation of the windows installer, which should
have included these packages. Grab matplotlib-0.63.1.win32-py2.3.exe
from sf, which was just updated minutes ago after someone alerted me
to this problem off-list.
Sorry for the troubles,