Hi all today I find those links that show easily different features between SharePoint 2010 Editions:
All features: http://sharepoint.microsoft.com/en-us/buy/Pages/Editions-Comparison.aspx
WebParts by License type: http://www.sharepointconfig.com/2010/06/sharepoint-2010-web-parts-by-license-type/
All features (other source): http://thecommunicator.co.cc/2010/05/03/sharepoint-2010-feature-comparison-sharepoint-foundation-2010-vs-sharepoint-2010-standardenterprise/
All features (Excel from SlideShare): http://www.slideshare.net/VielkaRojas/share-point-2010-comparacion-de-versiones
BCS: http://msdn.microsoft.com/en-us/library/ee556390(office.14).aspx
Services (pdf): http://go.microsoft.com/fwlink/?LinkID=167092
Search Server & Search Express: http://www.microsoft.com/enterprisesearch/searchserverexpress/en/us/compare.aspx
Fast: http://www.intergen.co.nz/blog/bryce-telford/dates/2010/8/benefits-of-fast-search-compared-to-sharepoint-2010/
Regards!