Hi George,
Well I have the matching Hills alive fitted luggage and to be frank using the soft grip/holdall type bags are really a better way to go. The fitted cases are a pain to put in and get out and are such an odd shape when using as a case, especially when full that they drove me mad. We now use soft holdalls which obligingly fit wherever you put them, are comfortable to handle and don't cost £500. We have the trad rear luggage rack and one trip with the Morgan leather case felt like I was lifting the car into our holiday cottage! We now use a Samsonite case and Morgan leather straps to hold it in place if using the rack. The Samsonite case has rubber weather seals and fully clamps shut and is easily washed clean... Light as a feather when empty and quite waterproof. If you follow the hardened Morganeers who really use their cars for extended trips/holidaying you will see a huge variation of luggage styles but rarely a Morgan case inside or out! I think they are about as welcome as a wicker picnic hamper strapped on the back! But each to their own!