I know the official Yamaha soft case exists for the CP73, but I'm just wondering if anyone has good experience with any hardshell cases for this instrument.
FYI - although in Japanese - I ran across this brochure and was surprised to see Montage had hard cases from Yamaha as an option. The "LC" are hard cases (my guess is latched case) and "SC" are soft. CP73 only shows soft which you already knew - but you may not be aware of the other options available (or others may find this useful).
https://jp.yamaha.com/files/download/brochure/7/1212517/S_SP_catalog_2019.05.10-min.pdf
Current Yamaha Synthesizers: Montage Classic 7, Motif XF6, S90XS, MO6, EX5R
Interesting...hopefully Yamaha comes out with a reasonably priced CP73 hard case soon given this.