SQL Server 2005 Service Pack 2a?

SQL Server MVP Aaron Bertrand has posted a blog entry where he mentions that the time and build number have changed to 2007-03-05 and 9.00.3042.01. You can get the latest file here: http://www.microsoft.com/downloads/details.aspx?FamilyId=d07219b2-1e23-49c8-8f0c-63fa18f26d3a&DisplayLang=en