You have to upgrade to play new games!
"Most recently, Sony updated its firmware in order to curb the installation of emulators and other homemade applications on PSP. In order to have all consumers download the new firmware, future games will require the user to update PSP software in order to run the game."
sh*t! its either homebrews or umd...nooooooo!!!
oh hey do u think if we download the games onto memstik with iso's we will be able to play them still?
-PSP man