the psp go just came out yesterday and i have felt a bit dissapointed to it i didnt expect it to have no ability to use umd,s so i was like a bit sad for it and you will get bored after tinkering with it. But the dsi is pretty good for this time and has free internet and i like the colors varieitybut i am not saying this doesent have any flaws it has a shorter battery life and got rid of the gba slotthose were the only flaws though :). And i say if your a playstation fan go with psp go if your a nintendo fan get the dsi i am not a sont fanboy or a nintendo lover.