I do not know how many decades you have prerecorded already, but I figure that the Family Sport (and Family Sport Premium) demografics could be sporty and driver-carsy enough for the championship.
I have considered this and have recorded up to the start of 1986. I think that they will be a good addition to the list from this point onward, where before 1986 I think that they would have come out a bit rubbish. I am removing all the budget catigories and adding in the Family Sport and Family Sport Premium. Thanks for your input