The RTM MP's are in the process of publication to the download site.
Possibly the easiest method to locate them is via http://www.microsoft.com/technet/prodtechnol/mom/catalog/catalog.aspx?vs=2007
More later. I've been behind with my updates.
This Blog entry references the download location for the System Center Operations Manager 2007 Product Catalog and the RTM (on the Media) Management Packs - along with Management Packs for SC OM2k7 being made availabe Post-RTM for other Microsoft Applications