Quick Update : New Cumulative Update has been released
Microsoft has released a new cumulative update (build 3200) for SQL Server 2005.
http://support.microsoft.com/default.aspx/kb/941450
Adam has pointed out that the wording in the article is incorrect; it calls these post-SP3 updates, which is obviously impossible since SP3 does not exist. Moot point since it will very likely be corrected by the time you see this.