If you have the money and really want to get the PS Vita then you should treat yourself to one.
My personal opinion is that the PS Vita is not worth buying.
Many people do not like the PS Vita. The Nintendo DS line is much more popular and is more worth the money spent.
It's hard to say if the PS Vita is worth buying unless you are the one buying it. I am a 50 year old grandmother so to me, it wouldn't be worth buying. If you really want a new game system and you have researched the value of the PS Vita and still want it, then it is worth buying for you.
You should buy a PS Vita if you want to play PS Vita games.
If you are in the market for a new game system and you like the PS Vita then yes, you should buy it.
Buying a PS Vita may be worth it to some people while others may find it to be a waste of money. I am not into game playing so I would find it to be a waste of money.
I think you should choose the iPod Touch 5 over the PS Vita. There is so much more you can do with the iPod that you can't do with the PS Vita. If you are only looking for a game playing device, then you should definitely choose the PS Vita though.
The PS Vita was designed to work with the PS3 and you should own both. The PS Vita is a portable with less power and capabilities than a PS3
You should buy a PS Vita becayse has many features and really good games.
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I would go for the iPod 5. You get so much more with the iPod that you don't get with the PS Vita. Then again, if you only want gaming, go for the PS Vita.
If it worth buying if there are features that help to improve your gaming experience. But if you have a better alternative to it, it is not necessary to buy it.