She's 13, she's focused and responsible (i believe), just let her know her limitations and everything will be fine.
My son is 5 and will be getting the same for his graduation. It's the new generation, we can always guide them on the proper time and usage of those gadgets. My 3 year old son is asking for another PSP. Kids also need to get by with the kids of their age - if the parents were able, so as they won't be left behind. :)