November 12 2008 has been announced as the launch day for Essential Server Solutions (EBS and SBS).

Read more about the announcement here;
http://www.microsoft.com/presspass/features/2008/jul08/07-07QAvanroekel.mspx

Videos from WPC on Official SBS blog;
http://blogs.technet.com/sbs/archive/2008/07/08/videos-from-wpc.aspx

For UK specific customers, bookmark this blog;
http://blogs.technet.com/sbsuk/archive/2008/07/08/launch-dates-confirmed-sbs-2008-and-ebs-2008-to-be-launched-12th-nov-2008.aspx

From the above blog: We still don't have the UK pricing, but the official Microsoft pricing for SBS and EBS was announced earlier this year in May. Microsoft UK are working on finalising the UK launch event date - watch this space for more info!