Nice study of one of the better known Super GT Team cars. I figured they had to switch from the NSX, but what's the HSV? My guess is it's something neat that's impossible to get in the US as seems to be the way Honda's been for near ever.
It was originally intended to be the next version of the NSX.
The closed-prototype idea is wrong- the HSV-010 competes in the GT500 class with the GT-R and LF-A, and a few others. Honda found a loophole in the rules that stated a car had to be production-ready to participate (basically, it meant that a car that was ready to be built but not built was allowed into Super GT).
Although, the car I really miss from Super GT is the ARTA Garaiya- that was a nice car, you couldn't deny it.
The loophole's interesting. I guess it allowed the Honda affiliates to continue to put a car on the track and keep them in the series. Otherwise, they'd have likely backed out, and the result could have hurt the series.
I had to look that one up- The Garaiya was very unusual, and the ARTA team is also rather fascinating in that it's been behind trying to find the "Great International Japanese Racing Driver" for some time and been kind of sputtering in that regard. Maybe Muto in Indy Car- we'll have to see.