Hello, Currently I have the following versions: Python 2.1.3 Zope 2.6.1 CMF 1.3.1 Plone 1.0.3 They work fine together, but I would like to upgrade. I remember that some time ago it was a big problem to find the working combination of different versions of these four products. I'm asking for a professional's advice. How do the latest versions of Python, Zope, CMF and Plone work together and how stable are they? What is the best combination of the versions? Thanks in advance. Best regards, Ian Griffits admin@monitoring-software.co.uk http://www.monitoring-software.co.uk The best monitoring software at your fingertips