Python 3.4, more fun coming up! Now it will ship with pip by default.

Pip is a favorite of mine. Easy to install other libraries quickly. Flexible enough to get dependencies, install from source, fetch source, upgrade libraries already installed with pip...
Read more about it here:
http://freepythontips.wordpress.com/2013/10/22/python-3-4-to-be-equipped-with-pip-by-default/