I've decided to purchase either the DSC-P150 or P100, but I don't know which flash memory to buy. Clearly I want the High Speed variant of memory, but it's unclear if I should purchase the PRO or PRO ...

This one doesn’t quite go up to 11, but PSP owners will be happy that their maximum storage space has been doubled from 2GB to 4GB. That’s a lot of homebrew apps and movies you can be storing. The MSX ...