Why you choose the 64GB vision iPad instead of the 16GB one? I think you want more storage for your device.
Now you have another choice, the world’s first wireless hard drive from seagate can help you to build your own mobile media library for iPad.
The GoFlex Satellite device goes wherever your iPad goes and lets you wirelessly access all your movies, photos, music and documents. No more worrying about running out of space on your iPad, It has 500GB of storage capacity. And the most important thing is GoFlex Satellite can use for three different HD movies in three different iPads at the same time, so your can share your files with your friends.
If your iPad only have 16GB storage, I think, you can get one Seagate GoFlex Satellite Mobile Wireless Storage.