I think it's a great looking box with the silly top off, but if I wanted that much of a track/specialty car, there are many others I'd spend the loot on before the Spyder.
If I wanted a track car only I'd go either with a Lotus, or just buy a race car. I've gotten a bit long in the tooth for my formula car, but there are quite a few really fast cars available for much less than that Spyder.
Spend 30k on a Sports 2000 and you'll be a throwin stones at a Boxster!!
40k will get you a full race prepped 2.5 914/6 with slicks!!
Just for grins and giggles.........how much fun would this be???:
http://www.race-cars.com/carsales/porsche/1273291484/1273291484ss.htm