> There's a sizable group of people running Windows XP Professional x64 Edition because it's the best option at the moment for running GroovyMAME on a real arcade monitor.
Windows 7 has some issues and limitations that are still being worked around when it comes to using an arcade monitor.
I forget about this. Having been spoiled with the ease of function of AdvanceMAME, and elsewise using HLSL on my arcade multisync, I haven't bothered thinking about GroovyMAME in an age. I can't think of a reason to use GroovyMAME on a CGA monitor......