I had the same experience the previous 3 trackdays: The power steering fluids gets out of the reservoir cap, but I think it is more the constant cornering than the oil actually boiling.
My brakes seem to last about 5 laps of hard driving, or more if I brake a bit earlier.
But the handling is where improve is due. On one occasion I was left behind by a 2000 GTV '73. It was set up correctly for the track, without any special suspension parts, but boy , did it handle!
What can be done to caster, toe, etc? I have already in mind to get that adjustable McPherson bolts to adjust cambers. How about increasing toe out a bit? (My car has Eibach springs with std dampers.) Anybody here ever played around with this stuff yet?