I recently went on a trip to Japan, and was faced with a choice on a new handheld gaming device to purchase for a friend. So which is better? What are the differences? First-off, I personally own a Gameboy Advance, and I finally chose to buy the PSP. The reason for the choice was that I already owned both an iPod and a Gameboy Advance, but this friend of mine had neither... so for me the DS may have been a better choice, but only slightly. Firstly the DS: This little machine is slightly heavier than the PSP, but folds away neatly, it's more solid and resiliant, the games are cheap, load fast and can use older Advance cartridges. The screen has a huge surface and the touch screen is really nifty. The technology is way behind the PSP, but it is also about $50 less in price. So this device has a huge advantage with current game availability. It also has a good battery life (something I appreciate after my Japan trip on both my iPod and Gameboy). The PSP: This is a slick-looking device