Nvidia SHIELD is a good gaming rug. It is potable and it has a very high performance in gaming. This can be the best thing for every gamer. If you are a gamer and wants a powerful gaming device then the NVIDIA Shield is specially made for You.
The best thing is that it has got a good processor and a good gpu. This is one of the most selling gaming rigs.
I must say that this will be a good alternative for a small PSPs. We all will love this if we use it. Beside gaming it can be used for many purposes.