Another vote here for Knotts. We went in 2011, had a great time. We went in a weekday and were able to walk onto all the rides for the whole day. We also got our best USA souvenir ever from here (and considering how much stuff we buy that's really saying something LOL). It was a handmade little horseshoe with my girls names imprinted on them. We watched the blacksmith make them and imprint them, was sooooo awesome, we stood and watched that guy for the longest time
Also, you must go to Mrs Knotts chicken restaurant and have a chicken dinner. Is about $15 for salad and soup, 3 pieces of amazing fried chicken, about 12 biscuits with butter and jam, mashed potato with gravy, veggies, and pie for dessert. My whole family just ate the one meal. In fact, although we're not going back to knotts this year we will still be going to eat mrs knotts chicken dinner and I can't wait !!!