The public beta of SharePoint 2010 will be available in November.

The “The Business Collaboration Platform for the Enterprise and the Web” . , SharePoint Server 2010 is here!!!!

- SharePoint 2010 Website - to view SharePoint 2010 in action and register for Beta

There are six category names in the way we describe the SharePoint platform. They include Sites, Communities, Content, Search, Insights and Composites. Read following blog post from the product group for more details

http://blogs.msdn.com/sharepoint/archive/2009/10/19/sharepoint-2010.aspx