Send her to Hawaii (for the big five-oh ). Corny, but I guarantee it'll win you son-of-the-year.
Description says there's a web app as well.
You can set it up online and they give you an email address. Easy as pie
Arrange an in house paint night for family and her friends.
This sounds like a nice idea.I can't even fathom how that ends...
You need to think like a 50 year old. I on the other hand don't have that problem.