On the official Microsoft SharePoint Team Blog -http://blogs.msdn.com/sharepoint/archive/2010/03/05/sharepoint-2010-office-2010-launch.aspx – it was announced that Office 2010 and SharePoint 2010 should RTM in April with the official launch date being May 12, 2010.

Stephen Elop is announcing the launch via webcast on May 12th at 11am EST. If you want to join the webcast, you can register at: http://sharepoint.microsoft.com/businessproductivity/proof/pages/2010-launch-events.aspx.