Microsoft 2007 manual By the new Report Center, provide consistent management

Report Center Web Sites	Office SharePoint Server 2007 includes out-of-the-box Web sites
New	optimized for report access and management. These sites, hosted
	by the new Report Center, provide consistent management of
	reports, spreadsheets, and data connections.
Excel Services	Excel Services Management is a centralized management service
Management	for configuring and managing Excel Services used by other
New
	components of Office SharePoint Server 2007.
	Office SharePoint Server 2007 can refresh external data,
	recalculate a workbook, and render it with a high-fidelity, Web-
	based user interface in an Excel Services Web Part. Based on
	publishing parameters, it will render a complete Office Excel 2007
	workbook, selected worksheets, or a region within a worksheet.
	Developers can leverage Excel Services Web services to calculate
	a complex model built in Office Excel 2007 and display the results
	to a user working on a Web-based user interface or custom
	desktop application.

www.microsoft.com/office/preview/servers/sharepointserver29