We went last year and the boys LOVED it. I think we are going on opening night as well, since they can both ride this year that will help keep the costs down. There are tons of rides for the little kids, slides, carousel, etc. But we live in Cumming, so it's super-close.
Re: Cumming Fair
We go every year, but we also live in Cumming. I think it is fun, not nearly as big as the north ga state fair.
If you don't mind the drive and want to go...This Thursday is opening night and it is free to get in and unlimited rides when you pay 18.
Our kiddos are not old enough for rides yet so we go on opening night to waive the admission price.