Instead off an old equipment case as seen above, how about an old Heathkit case.. like the several styles of speakers they made or the Station console units (SB-630).
Here's one.. a smaller style speaker:
http://cgi.ebay.com/Vintage-Heathkit...item2a0fb7c58a
I'm no affiliation to this sale...
It sure would be nice looking on the bench!. A guy could get several and have a whole set of gadgets looking at you.
Buzz