rec.games.video.arcade.collecting - join
Collecting, converting, repairing etc.
High activity, 2249 subscribers, Usenet

rec.games.video.arcade.marketplace - join
Commerce and requests for arcade games.
Medium activity, 1282 subscribers, Usenet

rec.games.video.arcade - join
Discussions about coin-operated video games.
Low activity, 761 subscribers, Usenet