there are 2 different spec of toyta supras, one is JDM spec and the other one is USDM spec. The USDM was alot more expensive due to few reason. More info in here http://en.wikipedia.org/wiki/Toyota_Supra
And there was a special vision of supra was made and it was was called TRD 3000 GT which was only a few numbers were made. And this was close to 160k when it was first released.