I have watched about 100 videos on youtube of people telling their family they are pregnant. My favorite concept was a scavenger hunt. Here is the video that gave me the idea. I should start stimming July 28th and know whether or not it worked by the end of August. Since that's a bit away from x-mas, I think I'm going to do it on my mom's birthday Sept 20th.
YouTube - Rob and Heidi's Christmas Surprise