You can find some 08 and newer Z06s with low miles for under 30k.
Almost Half of the price of a similar used GT3.
I track a DE upgraded C5Z now.
Yes to everything fails at the track, eventually.
Carbon Fiber brakes, are those expensive to service?
Randy gave it away, on the Gt3 54 to 58 seconds in, thats what I'm talking about.
getting a point by from a Chip in black Z.
http://www.youtube.com/watch?v=DzjTUYViDKs