You also have the option of doing a diaper trial where you will be able to try out different styles before you make a purchase. (ecobabyandhome.com)
But you do also have the option of buying a permanent life insurance policy on your child to lock in a low rate for when he starts his own family. (insurechance.com)
I like the idea of having an option for an interactive eBook and then a plain version. (blaiselucey.com)