In December at VIR, there were 5 new ones present at the track that day.
They are coming out of the woodwork as a new popular track-able car.
Unfortunately, the drivers were also new so I didn't get a good comparative feel for how fast they were.
enjoy, diversity is good.
2011 e92 M3 Monte Carlo Blue ESS 535
2015 cayman GTS
2006 SLK 55 AMG