For companies that use enterprise applications from the leading vendors, 2007 to some degree won't offer many surprises. The top vendors--SAP, Oracle and to some degree, Microsoft--will continue <A HREF="http://www.eweek.com/article2/0,1895,2074659,00.asp">investing in service-oriented architectures</A> and will grow their investments in software as a service, according to industry observers. All three companies will continue their investments in their respective next-generation ERP (enterprise resource planning) suites, with an underlying middleware platform: mySAP ERP, Oracle Fusion and Microsoft Dynamics.