2004 Corvette Z06. This is "my" car. I track it quite often at several road courses in the midwest. it's got everything. incredible high speed, low end torque that cannot be believed, and sticks to the track like glue(evidenced by it's 1G+ skidpad capability)
the Boxster S is primarily my wife's car, though it is a ball to toss around on the twisties here is cowtown country...