I still track my FI Miata. It only has about 190whp, but it only weighs about 2,050lbs and it's a real hoot on the track. Here's a picture in the paddock at a PCA event at Road Atlanta last fall parked next to some cheap car.
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2004 550 SE #1081 of 1953 (sold)
1997 911 Targa (sold)