The Management Pack for SQL 2005 has released! Get it at http://www.microsoft.com/downloads/details.aspx?FamilyId=79F151C7-4D98-4C2B-BF72-EC2B4AE69191&displaylang=en.
SQL 2005 Management Pack description:
The Microsoft SQL Server Management Pack provides both proactive and reactive monitoring of SQL Server 2000 and 2005 in an enterprise environment. Availability and configuration monitoring, performance data collection, and default thresholds are built for enterprise-level monitoring. Both local and remote connectivity checks help ensure database availability.With the embedded expertise in the SQL Server Management Pack, you can proactively manage SQL Server, and identify issues before they become critical. This Management Pack increases the security, availability, and performance of your SQL Server infrastructure.The Microsoft SQL Server Management Pack Guide describes the content of the management pack, and describes how to deploy it. You can download the management pack guide from the Microsoft Web site (http://www.microsoft.com/downloads/details.aspx?FamilyId=653D9FB9-B1C6-4702-A152-99852DCB2772).
pack doesn't seem to have anything 2005 specific in it - ie monitoring DB Mirroring status , Service Broker Queues etc
fyi, the link to the MP Guide points to the old SQL MP guide. It looks like the updated guide is included in the MP download itself.