Import & Export Sharepoint Site Collection

http://dhunter-thinkingoutaloud.blogspot.com/2007/07/stsadm-import-export.html

http://alancoulter.blogspot.com/2007/02/moss-2007-importexport-lessons-learnt.html

http://technet.microsoft.com/en-us/library/cc262465.aspx

http://technet.microsoft.com/en-us/library/cc262759.aspx