Multi-precision packages: gmpy vs mxNumber

[Fernando Pérez]

Do any of the experts have any advice on the pros and cons of these two GMP 
wrappers? They both seem spotty in documentation and both appear stalled in 
current development.

URLS:

http://gmpy.sourceforge.net/
http://www.egenix.com/files/python/mxNumber.html

I'd like to go with the better of the two but would rather  not dive into 
extensive testing/comparison if someone knows of a definitive answer off 
hand.

Thanks,

f.