I'm sure a number of our active members will tell you that the best place to go to would be directly to Apple and I would say the same. Although a bit pricey but you would be sure that you get the real stuff risk free.
I saw this post from one of our registered sellers, maybe you can try sending him a PM if you are interested:Link hidden: Login to view
Also here are a few more posts which you may find helpful:Link hidden: Login to viewLink hidden: Login to viewLink hidden: Login to view
If you browse around the forum you'll find more posts about the unending search of wholesale suppliers for Apple products. Anyway hope this helps somehow.
Happy Holidays! :)