What you could do is adjust your driving style to make yourself suit the car rather than the car suit you. Experiment a bit and you'll find something that works. I did exactly the same with the FWD cars and they feel absolutely brilliant to drive.
What corner are you having problems with?
This is a good suggestion and I did adjust my style to match the car, but it still snapped. The corner was through the fast esses after the first corner. With the right set up it should be a 6th or flat 5th, but I backed off to 4th to ensure that I gave myself room to adjust to the characteristics of the car.
I did try other cars but was finding them undrivable too, with the same characteristic - snap oversteer and at different corners on different circuits. This happens when not on throttle, so not flat out and no push from the rear - it really is like the rear gets a puncture :S
I will try some more testing tomorrow, to see if I can isolate the issue. But hells bells, without sounding stupid, I just never spin - I ease in to a lap and then pick up pace corner by corner, very logical, that is my style as I learn a car.
The Caterham challenge, that is madness. the car is never settled, total oversteer without warning. Even at a reasonable pace. It will snap without warning, through an easy corner with positive throttle but no push.
Should say I drive with no assists.