I’ve been struggling to get Numpy running on Windows 7 so that I could try out Pandas. I think this might be the ticket:
Unofficial Windows Binaries for Python Extension Packages
by Christoph Gohlke, Laboratory for Fluorescence Dynamics, University of California, Irvine.
This page provides 32- and 64-bit Windows binaries of many open-source extension packages for the official CPython distribution of the Python programming language.