Bonjour Steven,
I just got back from Las Vegas myself.

As far as the storage cases. I know of no supplier, at the present time that supplyes any special storage boxes for the large case silver strikes.

However, the next time you go to Las Vegas. Ask for a white rack at the cage of a casino. That has 1 or more silver strike machines. And you might could get 1 or 2 of the white plastic racks, from that casino. This is the special racks that the strike maker sends the strikes in to the casino. Each rack holds 50 of the big case strikes or 55 of the smaller case strikes. The casino's I understand throw them away. And usually donot charge for them, if they give you a rack. I didnot try to get any strike racks this last trip. But, I have gotten some from the Slots-A-Fun, Vegas Club, 4-Queens, Plaza, and a couple of others in the past. ALSO: if you happen to be at or near a strike machine when it is being filled. Ask if you could have a rack or 2. Sometimes you get them sometimes not. BUT, it never hurts to ask, however be polite about it. Even if you donot get any.
Also, you might contact Norman Clem. He has posted in the past that he has extra strike racks. Norm's a great guy, he will be fair with you.
If you need a rack or 2 now. E-mail me your address. And I will mail 2 racks. To you for the cost of shipping it/them to you.

Hope this helps you,

Dan