Thanks in advanced!!! I'm a new psp owner, just bought it last month.. It's a silver, japan psp with 3.03 oe-c FW.. I bought a 4GB memory stick.. It runs quite well and plays most games, ISO's and PSX games.. Here are my questions: -Is 3.03 oe-c the most stable FW to date?(I play ISO's and wanting to try CSO's to save memory space) -I've DLed an ISO yesterday and it doesn't work, any suggestions to make it work?