Upgrading from Python 2.6.5 w.r.t. matplotlib/numpy?

[Mark Lawrence]

I'm like to go direct to Python 3.1 if possible, but if necessary I'll 
happily use Python 2.7 as an interim measure. However I'm uncertain as 
to the status of matplotlib and its dependency on numpy.  I've tried 
googling their development mailing lists but don't really understand 
what the current situation is.  Could somebody please recommend whether 
I take the direct or indirect route to Python 3.1.  FWIW I'm on Windows 
Vista.

TIA.
Mark Lawrence.

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