Old Pac is a favourite. I find that the run back into Syd is alot better than the way up to Gosford. Personal preference I guess.
Mccars creek road is another great road just bottom out a fiar bit
I like the Natio I prefer Wollongong to syd rather than heading to the gong.
But my Fav has to be Catti road from Old Pit Town to Wisemans then oout to Wollimbi.