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I'd have to agree, Fedora Core is not really your best choice in the server space. The only reason you might want to use it on a server is for applications that require cutting-edge functionality not yet available elsewhere.
A better choice for those needing a RedHat-ish Linux server would be RedHat Enterprise Linux or one of its many free derivatives such as CentOS http://www.centos.org/
SourceForge and Wikipedia currently use Fedora as server FYI.
I agree that Fedora Core is not a good choice in a large enterprise environment though.