The Official SBS Blog : SBS 2008 Console May Take Too Long to Display Alerts and Security Statuses, Display Not Available, or Crash: http://blogs.technet.com/sbs/archive/2009/07/13/sbs-2008-console-may-take-too-long-to-display-alerts-and-security-statuses-display-not-available-or-crash.aspx
For those of you with installed SBS 2008 machines.... you might want to take a look at that post.