£12.99 at Amazon.
Supposed to be the best case for the PSP.
* Virtually indestructible polycarbonate armour shell protects your device
* Easy access to shoulder controls means your PSP is playable even while inside the case
* Headphone port means you can plug into some tunes, then stow them in your backpack
* 270-degree adjustable lid can be used as a sunshield for gaming or a stand for watching movies
* Secure snap closure means your investment stays put
* 2-year limited warranty