[Zope] instal plone and cps

Hello, I have a debian woody on a powerpc. I would like to install Plone 2.0.3 and CPS 3.1.1. I would like to know what is the best way to do that. Can I make an installation of Zope 2.7 and python 2.3.3 and make two instances of Zope? Thanks for your advices. Sophie