Today has seen an almighty amount of Accessories for the PSPGo:

Heres the list:

Adaptors
PSP PlayStation Go AC Adapter US US$ 19.90
PSP PlayStation Go AC Adapter JPN US$ 24.90
PSP PlayStation Go AC Adapter ASIA US$ 14.90
PSP PlayStation Go Car Adaptor JPN US$ 24.90
PSP PlayStation Go Converter Cable Adaptor JPN US$ 24.90

Cables
PSP PlayStation Go Component AV Cable JPN US$ 34.90
PSP PlayStation Go Component AV Cable ASIA US$ 29.90
PSP PlayStation Go Component AV Cable US US$ 34.90
PSP PlayStation Go D-Terminal Cable JPN US$ 34.90

Headsets
PSP PlayStation Go Bluetooth Stereo Headset Receiver JPN US$ 52.90
PSP PlayStation Go In-Ear Headset US US$ 24.90
PSP PlayStation Go In-Ear Headset ASIA US$ 19.90
Cradles
PSP PlayStation Go Cradle JPN US$ 48.90
PSP PlayStation Go Cradle ASIA US$ 29.90
PSP PlayStation Go Cradle US US$ 33.90

Cases
PSP PlayStation Go Leather Pouch & Strap (Black) JPN US$ 44.90
PSP PlayStation Go Pouch & Strap (Black) JPN US$ 14.90
PSP PlayStation Go Pouch & Strap (White) JPN US$ 14.90
PSP PlayStation Go Pouch (Black) JPN US$ 19.90
PSP PlayStation Go Pouch (Gray) JPN US$ 19.90
PSP PlayStation Go Soft Carry Case ASIA US$ 14.90
PSP PlayStation Go Soft Carry Case US US$ 19.90
PSP PlayStation Go Traveller Case (Black) ASIA US$ 19.90

Accessory Pack
PSP PlayStation Go Accessory Pack (Black) ASIA US$ 19.90
PSP PlayStation Go Accessory Pack (MSmicro 8GB set) JPN US$ 54.90
PSP PlayStation Go Accessory Pack (White) ASIA US$ 19.90

Protection Film
PSP PlayStation Go Display Protection Film JPN US$ 12.90
PSP PlayStation Go Privacy Film JPN US$ 14.90

Pre-paid Cards
PlayStation Network Card / Ticket -PSP Go- (200 HKD / for Hong Kong network only) HK US$

http://www.play-asia.com/SOap-23-83-...-27f-84-n.html