Steven, if you are running in a Windows Server 2003 ( or greater ) functional 
level Windows Domain you might consider setting up several smaller file servers 
and implementing DFS Namespaces and DFS Replication too.

Ray

CONFIDENTIALITY NOTICE:  This email and any attachments are for the
exclusive and confidential use of the intended recipient.  If you are not
the intended recipient, please do not read, distribute or take action in
reliance upon this message. If you have received this in error, please
notify us immediately by return email and promptly delete this message
and its attachments from your computer system. We do not waive
attorney-client or work product privilege by the transmission of this
message.