Sparse matrix module that works

[op]

I'll be doing some stuff that involves sparse matrices.
So far I've found three contenders for this task, two modules and a cookbook 
recipe.

Sparsepy from Travis Oliphant
http://pylab.sourceforge.net/

ASPN cookbook entry by Alexander Pletzer
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52275

Neil Schemenauers sparse matrix module
http://www.enme.ucalgary.ca/~nascheme/


Maybe you could save a days work by telling me which module works best for 
really large (100K * 100K) matrices. 

op

-- 
It may or may not be worthwhile, but it still has to be done.