Or if you're using an IC region mod... change your SPST switch out for a DPDT switch and have one half of the switch controlling the grounding of pin 29.
Yeah, I remember writing about that exact method (connecting the board to a DPDT switch) years ago. I wonder if anyone ever did try to see if Aldynes would run okay afterward. I can't possibly see a reason why it wouldn't though.
Now, as for the all-white SGX setup, It's neat, but there's... something missing here -- I think it might have to do with the SCD-ROM missing its letters. It would've been nice to have the lettering match that of the SuperGrafx. (bitch bitch bitch
)
And yeah, not sure about how well that paint is going to stick, but that's a different matter.