Maybe you can check at this Dave&Busters [Miami Beach/ Florida]
They have a Gt-6, but not playing Namco games anymore
...
...but a game called 'AIR RAID'
Thanks to ArcadeFever (
) for these pictures. The others pictures from his 'D&B Birthday Trip' are available on his website, right
here Maybe this one would be for sale, who know
I know Barry (aka 'Sonic 1992' here) is also looking for a GT-6 in USA