He has told me in the past that there is a size limit to what he can safely ship, and its unlikely that he can do a case for a large 1/200 model.
I was able to locate a local plastic fabricator that will do large cases. (Haven't pulled the trigger yet.) You might want to google search for someone in your area if Ron can't ship a case that large.
: Anyone have ideas on where to get display
: cases for the large Trumpeter kits? Can't
: seem to find any this size.