I have neither console, so my input will be short. I was going to get a PSP around when they first came out, but then I totaled my car and needed the money for a new car lol. Personally, I would get a PSP just because Nintendo has a reputation for making kids games... then again I'm almost 21, so I don't quite fit the bill of being a kid anymore. If I wanted to go old school, however, I would get the Nintendo unit and also pick up Mario Kart and Zelda. The most recent hand held that I have currently is Gameboy Advanced SP. It sufficiently entertains me for long trips with Zelda, Need For Speed, Castlevania, SpyHunter, etc.