NASCAR at Sonoma...heading there...who's coming?

We had considered it, but the rates seemed a bit high. Maybe I'm missing something, but a minimum of $250 for a couple of nights camping, plus having to buy tickets seems a bit steep. Please report back how your camping experience went as we went to Pomona and the traffic control was a joke! It took literally 3 hours to move less than 4 miles. We swore we'd look into camping onsite, but $125 a night seems excessive to me.
http://www.racesonoma.com/tickets/toyota_save_mart_350/