The PSP Go is a very desirable piece of kit; it addresses some of the form-factor issues of the traditional elongated PSP design, while also improving battery life considerably and completely ridding itself of UMDs – Sony's much-touted proprietary disc medium that did about as well as MiniDiscs.
However, the overall success of the PSP Go is hardly assured. In a marketplace as congested and competitive as the mobile gaming scene, even gaming juggernaut Sony should be cautious about its approach. Interestingly, of late this has been geared towards direct-downloadable content – essentially cutting out the retail middleman and selling games directly to PSP owners.
It's a massively risky strategy in a lot of ways, but there's a lot to gain as well – and here's why.