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One of our web servers (web4 for those interested) is now running the new Debian Sarge based system. While we're using exactly the same software, most versions have been upgraded considerably since the ones that shipped with our old Redhat 7.3.
I've done some pretty serious testing over the past few days, but if there are any bugs then please let us know by either posting in the forum thread or emailing support.
Only 1/4 of you will see this at all right now, but soon everyone will be switched over.