I seriously think that your choice for Corporate Content Management system should not be based on a given system's name. I also know that - in the front of Web Content Management (so, excluding all the ECM big-boys like Documentum and Oracle) - basically our biggest competitors are based on Open Source.
But this is ridiculous... You just can't be taken seriously by any proper company with a name like this, can you?
Just imagine ABN Amro's VP for technology announcing to his Board of Directors that they would invest xxx Euros (replace xxx by any obscene amount of money) on the next WCM platform, named "Joomla!"
But again, what's in a name?