For more information about SharePoint 2010, consult the folliowing websites:
Comparison of SharePoint Versions: http://sharepoint.microsoft.com/en-us/buy/Pages/Editions-Comparison.aspx
Access Services: http://nikspatel.wordpress.com/2010/08/13/all-you-need-to-know-about-the-access-services-2010/
Description of the purpose of metadata: http://www.sharepointanalysthq.com/2011/03/the-battle-for-metadata-in-sharepoint-2010/
