Sure ZODB is amazing at storing python objects, but can you trust it with your data? Rather than giving you my opinion, here are some quotes:
"What is amazing is the reliability of zodb under extreme abuse. it has been beaten up over a decade. it's rock solid." Alan Runyan, Enfold Systems
I have the same experience. Generally the people I speak to speak well of it.
I invite you to Register and then link to your own blog postings and