Debian is as good as Any other Retail "Business" Linux because as fedora and RHEL are seperated, Debian has been dividing itself from birth as - Satble, Unstable and testing V/s redhat just divided packages into stable and unstable, RHEL and Fedora respectively, and fedora is assumed testing ground.
and heres a Debian based Business Linux (debian 3 woody will work same) http://www.userlinux.com/
Correct me, if wrong revant