Where can you buy cool stuff for your Sony PSP?

Actually, it's surprising how many people email me asking where to buy peripherals and add-ons for their Sony Playstation Portable (PSP) handheld device. Surprising because I can't go into a store nowadays without bumping into a display of stuff for some videogame system or another. From Wal-Mart to Target, Circuit City to Best Buy, if they sell anything electronic, it's a sure bet they've allocated some space for cool add-ons for your Sony PSP unit (along with the game device itself). Many places are even now stocking dozens, if not hundreds of movie titles in the PSP's UMD format:

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If you don't have one of these electronic marvels yet, I encourage you to check them out. They're darn cool and far more capable than the Gameboy devices or even the Apple iPods...