The most dangerous thing there, especially in the Magic Kingdom, are moms raming their way through the crowds with their rented strollers. You might consider wearing shin pads.

Take some time to plan your day. Take lots of pictures. I find I like pictures with family more than those of just Disney scenes or stuff.

Family radios might be handy, but so many people are using them that they are of limited use. Our cell phone reception wasn't too good, but your result may be different depending on the carrier.

They do search all bags before you enter the park, but the searchs aren't even close to those at airports.