Hot on the heels of the SP1 CTP and BOL update, are a whole bunch of component updates http://www.microsoft.com/downloads/details.aspx?familyid=ae94bb12-c839-4b4f-a71b-412fb3a0500e&displaylang=en.
"The Community Pack is a collection of standalone install packages that provide additional value for SQL Server 2005. It includes:
- Latest versions of redistributable components for SQL Server 2005
- Latest versions of add-on providers for SQL Server 2005
- Latest versions of backward compatibility components for SQL Server 2005"
I'd also recommend taking a look at the new report packs that are available here http://www.microsoft.com/downloads/details.aspx?familyid=d81722ce-408c-4fb6-a429-2a7ecd62f674&displaylang=en.