The cases are the part - the original equipment hard case are the Journey series by Hepco & Becker. The case model for the topcase is TC40. The best price is I have found is from http://www.adventuremotousa.com/index.aspx
The mounting racks are lot more difficult. It seems Capital Cycle is the most likely suspect -
http://secure.capitalcycle.com/Hepco.../products/46/s
Hope this helps...