The only arcade machine to rival the trackball one is this: Sonic The Fighters. This caused quite a stir because it had a bit of a plot, yet no one could play it. Again, the machines were annoyingly scarce. Another contributor was that it didn't get on any compilation for quite a while.
This is most notable for it's VERY blocky graphics. The sprites all looked like they were made of odd cardboard. It was one of Sonic's first 3D things. The strip at the top explains the characters, and the one at the bottom tells you some of the moves.
This could be seen in Japan and the USA. There is still (as of 2008) a working one in Gameworks: Las Vegas & 2014 at Tomodachi in Mall of America in Bloomington MN. It is $0.25 per play per 2015 & owned by Battletoad. Info by Itcheeee