Denon 103 vs 103r opinions - Sonic Differences

I still have fond memories of my Denon 103 which the original Garrot Bros worked over for me with a Boron/Aluminium hybrid cantilever and weinz parabolic diamond. Incredibly musical, very good timing, down in focus/resolution slightly but a cartridge for forgetting about hifi and listening to music.
If you were going to spend money on it my recommendation would be to look at a boron cantilever and better profile diamond, maybe line contact, rather than changing the body.

Bpoletti, the OC9 has a reasonable bottom and top end but is threadbare through the midrange, the Denon is much more musical to my ears. ( Both cartridges used in Sota Star/ET2 ).