Dell Management Pack Version 2.2 for Microsoft Operations Manager 2005
I had totally missed this one so this might not be news to many people.
Dell Management Pack Version 2.2 for Microsoft Operations Manager
Release Date: 4/17/2007
http://support.us.dell.com/support/downloads/download.aspx?c=us&l=en&s=gen&releaseid=R154104&formatcnt=1&libid=0&fileid=205523