Quoted from CrazyLevi:

Almost NOBODY has played the SM home game. They say it sucks because it's over $4,000 and has that hideous cheap shit cabinet, weighs about 40 pounds, and has a cheap speaker right at crotch level.
At the same time, almost NOBODY has played Supreme, and they also say it sucks.
There's two on location here in NYC and I've played it. It's a perfectly fun simple game and in a real arcade cabinet it feels like a real arcade machine. The reasons people hate both of these machines has been well documented here and have nothing to do with gameplay, which almost nobody here has actually experienced.
In the meantime many of these haters will gladly fork over $7000 + for a TNA which is in the same ballpark as far as fun factor and simplicity.
There's really nothing to "get" here. Just standard pinside nonsense.