Get there before rope drop, run to Fastpass for Radiator Springs Racers then see some other sights and rides while you wait for your fastpass time to come up. Be sure to look at www.micechat.com for tips and info.
Disneyland with the entire family works out better than a car show with just 2 of us. Gotta keep the peace. That said see you in a couple of days at Costco for a 9am departure.