Sharepoint 2007 rispetto alla versione Sharepoint 2003  e' piu' facilmente customizzabile, avendo frallaltro anche rilasciato il codice di ASPMenu, il menu controllo di navigazione di WSS-MOSS 2007.

Decatec propone un area navigation menu web part per Sharepoint Portal Server 2003

http://www.graphicalwonder.com/?p=627
http://www.sharepointblogs.com/helloitsliam/archive/2006/08/30/11723.aspx
http://www.graphicalwonder.com/?p=393
http://blogs.msdn.com/sharepoint/archive/2006/12/02/customizing-the-wss-3-0-moss-2007-menu-control.aspx
http://weblogs.asp.net/soever/archive/2006/07/24/SharePoint-2007-navigation-_2D00_-part-2.aspx
http://weblog.vb-tech.com/nick/archive/2006/12/11/1987.aspx
http://blogs.msdn.com/ecm/archive/2006/12/02/customizing-the-wss-3-0-moss-2007-menu-control-mossmenu-source-code-released.aspx