Note: this may present a security risk. No liability blah, blah, blah. Be careful!
You can get the latest ZSyncer from CVS: http://www.sourceforge.net/projects/zsyncer
ZSyncer allows you to move any Zope object to multiple Zopes. It features a html interface to show the difference between Zopes and syncing is as simple mouse click. This is all done via xmlrpc. No mucking around exporting, copying importing any more...
Features:
ZSyncer is now on Sourceforge. If you wish to contribute or help, please visit: http://www.sourceforge.net/projects/zsyncer
The original idea came from Client-Server, not much code remains of that, but thanks alot.