I'll attach my setup to this post if possible. The differences are (hastily written because I have to go):
- Rear toe-in reduced to zero, in order to minize sudden mid-corner oversteer, more predictable back-end
- power setting to 10% to reduce sudden power oversteer, more control
- coast to 50% (IIRC) to keep the back under better control during braking
- higher preload, again for more stability (note: I haven't had any understeering problems)
- rebound dampers 80% of critical damping, bump 60% (one needs a spreadheet for this) resulting in, yet again, more predictable behaviour
I hope it helps.