> I believe the updated R500-700 drivers may have also had > something do with your exhibit at Amiga34 more than > satisfying the needs of a current X5000 or Sam 460 user.
Unlikely. R500 support was added together with Sam460 support in MorphOS 3.8 in 2015. R600/R700 support was added together with X5000/Cyrus support in MorphOS 3.10 in 2018.
> these offer the same limited functionality in MorphOS.