I would seriously consider the 16Gb ipad2. I have used both the ipads and the touchpads. I do computer security and we have to evaluate them for security purposes.
In other words that means free reign to use and abuse them for free. If you have any experience with an iphone or an ipod, picture that on a bigger scale.
For everything you said she is going to do with it, the ipad fits the bill. For photo storage, I suggest paying $25 per year to photobucket and let them worry about backing up and storing your pictures (unlimited amounts).
I am no apple fan boy, but in terms of easiness (I have 3 kids 10, 8, 2) apple wins in my opinion.
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