Well, we found at least that you can run the Korean code on any unmodified (suicided or not) Glass PCB, and Haze has hacked the Korean ROM to re-enable stripping of the stage announcers and support the standard non-Korea graphics ROM, so you can effectively desuicide and play a vanilla 1.1 version now.
However, 1.0 this doesn't help with. I actually contacted Gaelco about getting my 1.0 PCB desuicided, I haven't had a reply.