Dynamics GP, Development, News GP 2013
Support for Microsoft Dynamics GP 8.0 will end on October 13, 2009
More Details here : http://support.microsoft.com/lifecycle/?LN=en-us&x=13&y=14&p1=7967
via - http://blogs.msdn.com/developingfordynamicsgp/archive/2009/07/31/support-for-microsoft-business-solutions-great-plains-8-0-ends-soon.aspx