See my replies to this thread...
http://www.sqlservercentral.com/Forums/Topic494133-65-1.aspx
additionally most of the items you are looking for can be gotten from querying the system tables and/or Management views in 2k5.
You could write and search this site for some sort of script that connects to each of your servers and retrieves the appropriate info and stores it in a table that you can later report on.
-Luke.
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