1) Logitech PlayGear Street Case
The PlayGear Street is a well designed PSP case which allows you to carry your PSP, three UMDs and four Memory Stick Duos. The shell of the case is made of polycarbonate, which protects the interior contents from everyday bumps and scratches. This case features an adjustable strap that allows it to be carried across one’s chest, as a shoulder bag or attached to a backpack. It has easy access to the headphone jack and built-in cord management to help prevent tangles.

2) Logic3 Sound System for PSP
The Sound System for PSP from Logic3 is a dual portable 2.1 speaker system and recharging docking station. As the PSP rests in the cradle between two speakers, a quality amplifier, deep bass sub-woofer and 3D surround sound processor combine to produce a solid sound experience for gamers. The PSP is recharged through the cradle via either an included AC adapter or 4 AA batteries. The Sound System for PSP includes a 3.5mm stereo line-in for audio devices to output sound through the speakers.

3) SanDisk Memory Stick Pro Duo Gaming Cards
To get the most out of your PSP, you need a Memory Stick Pro Duo card which can not only save your game levels, characters and game skins, but also still have room for digital music, digital photos and movies. The SanDisk Memory Stick Pro Duo Gaming Cards, which come in a variety of bright colors, offer storage amounts of 128MB (pink), 256MB (orange), 512MB (green), 1GB (yellow) and 2GB (blue).