This diagram from that blog neatly summarizes features present in the different editions of Sharepoint 2010
SharePoint in Pictures
The SharePoint Developer Documentation Team has launched a new blog called SharePoint in Pictures with the intention of providing visual SharePoint developer content on a weekly basis. Illustrations & diagrams make information sticky. This is a great idea that should be extended to other MS products as well.
This diagram from that blog neatly summarizes features present in the different editions of Sharepoint 2010
This diagram from that blog neatly summarizes features present in the different editions of Sharepoint 2010