I'd say this is pretty realistic. As an avid fan of Christmas Vacation, I find this be the best display I've seen in a long time.
"hap, hap, happiest Christmas since Bing Crosbytap-danced with Danny Kaye!"
This family in Austin, Texas just wanted to win a decorating contest. And they did such a realistic job, that a nervous neighbor passing by thought someone needed help and literally called 911!
Watch the video below: