Great report.
We were there 16th to 20th March and couldn't believe how good the weather was especially after we packed way too many cold weather clothes!!
Likewise seeing the enjoyment on my three year old daughters face for the whole of our trip was priceless.
Totally agree with you on the smoking in the park. I was absolutely disgusted that people didn't think twice about lighting up, even in queues and while waiting for the parade. It should be banned from the whole site or isolated to the set out smoking areas. Unfortunately I don't think there would be enough cast members to administer this.
Finally I am able to share the pain you and your wife are going through. We lost our little boy last November at 39 weeks. The start of Disney Dreams was very tearful with one of the readings at his funeral being one of the early songs of Dreams.