I've found the setups posted on the Schumacher site perfect.
For Astro - Tom Yardys Telford setup. Pos4
http://www.racing-cars.com/images/Te...ford_print.pdf
Carpet - Orlowski Trencin setup. Pos2
http://www.racing-cars.com/images/Te...n_SK_print.pdf
I tried to play around with those setups as a Base.... and always ended up back at them. Very very good.